SIN 458 Issue 2.0 - Openreach Backhaul Network Services (BNS), Service & Interface Description

SIN 458 has been amended to include the option for a second GbE card to be installed on an existing GbE spoke.

Published 17/09/08

SIN 468 Issue 1.1 - Openreach Street Access, Service & Interface Description

SIN 468 has been amended to provide clarification of the maximum power loads. Also one minor editorial.

Published 28/08/08

SIN 476 Issue 1.2 - BT Downstream 21CN Ethernet Services, Service Description

SIN 476 has been updated in order to include WES1000ER service, and to clarify the Auto-Negotiate setting. There have also been some minor editorial changes.

Published 18/7/08

SIN 481 Issue 1.1 - Openreach Bulk Transport Link (BTL), Service & Interface Description

SIN 481 has been amended in order to clarify that only one Bulk Transport Link can be fitted per cabinet.

Published 11/7/08

SIN 349 Issue 2.2 - BT Metallic Path Facility, Service Description

SIN 349 has been amended in order to update the list of references.

Published 4/7/08

SIN 349 Issue 2.1 - BT Metallic Path Facility, Service Description

SIN 349 has been amended in order to update the contact information and website link under "Further Information".

Published 27/6/08

SIN 485 Issue 1.0 - BT IPstream Connect Office, BT IPstream Connect Home, BT IPstream Connect Max & BT IPstream Connect Max Premium Products, Service Description and Interface Specification

IPStream Connect is the 20C end-user access product for IPStream. SIN 485 has been introduced to clarify the specifics for the individual products (previous reference was SIN 386).

SIN 486 Issue 1.0 - BT Wholesale - BT IPstream Connect Advanced Services - End User Speed Control and Downstream Quality of Service, Service Description

IPStream Connect is the 20C end-user access product for IPStream. SIN 486 has been introduced to clarify the specifics for the Advanced Services (previous reference was SIN 450).

SIN 487 Issue 1.0 - BT IPstream Connect Symmetric, Service Description and Interface Specification

IPStream Connect is the 20C end-user access product for IPStream. SIN 485 has been introduced to clarify the specifics for the individual products (previous reference was SIN 386).

SIN 482 Issue 1.2 - BT Broadband IP Products, Service Description

SIN 482 has been amended to incorporate references to the new IPStream Connect SINs. Also minor corrections have been made under Routing Protocols (Section 3.3.4) and Geographic-based delivery (Section 4.3).

Published 19/6/08

SIN 456 Issue 1.2 - BT IPstream SID for Accounting, Service & Interface Description

SIN 456 has been amended in order to clarify allowed uses of delimiters. Also minor editorial amendments have been made.

SIN 469 Issue 1.1 - BT IPstream SID for Authentication, Service & Interface Description

SIN 469 has been amended in order to clarify allowed uses of delimiters. Also a minor editorial amendment has been made.

Published 9/6/08

SIN 471 Issue 1.0 - BT Wholesale Broadband Managed Connect, Service Description

SIN 471 describes the Wholesale Broadband Managed Connect (WBMC) service, which provides connectivity between the Wholesale Broadband Connect product and the Communication Provider's network. This SIN directly replaces STIN 471 Issue 1.0, the content of which has been amended slightly in order to provide clarity.

Published 6/6/08

SIN 475 Issue 1.1 - Broadcast Access: 1.485GBit/s, Service and Interface Description

SIN 475 has been amended in order to clarify that 1.485Gbit/s service can support 270Mbit/s signals.

Published 5/6/08

SIN 222 Issue 2.6 - BT ISDN 30 (DASS), Service Description

SIN 222 has been updated in relation to the programme to increase transparency of capabilities on international 3.1kHz audio calls.

SIN 243 Issue 4.1 - BT ISDN Services, ISDN International Interworking, Technical Information For Suppliers

SIN 243 has been updated in relation to the programme to increase transparency of capabilities on international 3.1kHz audio calls.

SIN 261 Issue 5.4 - BT ISDN 2e and ISDN 30e Services using full ETSI Call Control, Service Description

SIN 261 has been updated in relation to the programme to increase transparency of capabilities on international 3.1kHz audio calls. There have also been some editorial amendments.

Published 4/6/08

SIN 171 Issue 9.1 - BT ISDN 2 (Using limited ETSI Call Control), Service Description and Withdrawal Notification

SIN 171 now contains an updated planned date of withdrawal and minor editorial amendments.

SIN 232 Issue 5.1 - BT ISDN 30 (I.421) Service, Service Description and Withdrawal Notification

SIN 232 has been updated in line with the planned date of withdrawal and the re-branding of Digital Select Services as Digital Calling Features.

SIN 329 Issue 9.8 - BT Broadband IP Products, Service Description

SIN 329 has been updated in order to provide clarity on the use of Virtual Domains.

Published 3/6/08

SIN 312, Issue 1.9 - BT ISDN Services, Overview

SIN 312 has been amended to include the latest planned withdrawal dates of certain ISDN services. Also "Select Services" have been renamed "Digital Calling Features" and the withdrawal of SIN 255 has been noted.

Published 2/6/08

SPIN 103 - Generic Ethernet Access (GEA) product: Launch Notification

SPIN 103 notifies Communications Providers that the Generic Ethernet Access (GEA) product will be launched on 30th June 2008. GEA will initially be available at Openreach’s Fibre to the Premises (FTTP) pilot site at Ebbsfleet, Kent where service activations are planned to start on 31st August 2008.

Published 30/5/08

STIN 476 Issue 1.1 - BT Downstream 21CN Ethernet Services, Service Description

SIN 476 has been updated to include the 10Mbit/s (WES10) and Local Access (WES LA) access options at launch.

Published 29/5/08

STIN 484 Issue 1.0 - BT Wholesale Broadband Connect - Converged, Service & Interface Description

STIN 484 describes Wholesale Broadband Connect - Converged (WBCC), which is an Integrated Broadband and Baseband Voice Access product incorporating a Voice Line Control (VLC) capability. BT intends to commence a WBCC technology trial in August 2008, ahead of a customer trial.

Published 21/5/08

SIN 258 Issue 1.3 - BT FacilityLine 1, Service Description

SIN 258 has been amended in order to update the references for further information.

SIN 265 Issue 2.4 - BT MediaNet 155 & BT MediaNet 34, Service Description

SIN 265 has been amended in order to update the references for further information.

SIN 266 Issue 1.3 - Analogue Presented Vision Circuits. PAL System I Video Standard

SIN 266 has been amended in order to update the references for further information.

SIN 320 Issue 1.3 - Serial Digital Video (SDV) and Associated AES/EBU Digital Audio Circuit, Service Description

SIN 320 has been amended in order to update the references for further information.

SIN 323 Issue 1.3 - Switched Serial Digital Video (SDV) and Associated AES/EBU Digital Audio Circuit, Service Description

SIN 323 has been amended in order to update the references for further information.

SIN 332 Issue 1.3 - BT Broadcast Services, Audio Broadcast Network, Service Description

SIN 332 has been amended in order to update the references for further information.

SIN 394 Issue 1.2 - BT BroadLook, Service Description

SIN 394 has been amended in order to update the references for further information.

SIN 407 Issue 1.3 - BT L-Band Relay, Service Description

SIN 407 has been amended in order to update the references for further information.

Published 9/5/08

SIN 412 Issue 3.4 - 622Mb Edgeless L2TP BT Central Product For BT IPstream, Interface Characteristics

SIN 412 has been expanded to illustrate the OSPF (Open Shortest Path First) solution where the Service Provider has a single router. Also editorial amendments have been made for clarification.

SIN 472 Issue 1.1 - BT Wholesale Broadband Connect (WBC) Products, Service Description

SIN 472 has been amended to add three Accounting Attributes (Table 17).

Published 8/5/08

SIN 482 Issue 1.1 - BT IPstream Connect Service Description

SIN 482 has been updated in order to amend and clarify the MSIL documentation references.

Published 2/5/08

SIN 329 Issue 9.7 - BT Broadband IP Products, Interface Specification

SIN 329 has been amended to remove references to IPstream S and IPstream 500, following the withdrawal of those products.

SIN 374 Issue 1.4 - L2TP Interface For BT IPStream

SIN 374 has been amended to remove references to IPstream S and IPstream 500, following the withdrawal of those products.

SIN 405 Issue 1.4 - BT IPstream Symmetric, Service Description and Interface Description

SIN 405 has been amended to remove references to IPstream S and IPstream 500, following the withdrawal of those products.

SIN 412 Issue 3.3 - 622Mb Edgeless L2TP BT Central Product For BT IPStream, Interface Characteristics

SIN 412 has been amended to remove references to IPstream S and IPstream 500, following the withdrawal of those products. Also text has been added to cover new NTE.

SIN 427 Issue 1.3 - BT Wholesale Application Driven QoS, Service & Interface Description

The scope of SIN 427 has been broadened in order to encompass BT Wholesale's Wholesale Broadband Connect (WBC) Assured Service.

SIN 483 Issue 1.0 - BT Wholesale Wholesale Broadband Connect Assured Service, Service Description

SIN 483 describes BT Wholesale's WBC Assured Service, which provides a prioritised flow of traffic in the downstream direction, ie towards the End User. This can be used to support applications such as video streaming. Assured rates for WBC have previously been included within SIN/STIN 472 and the associated trials.

Published 30/4/08

SIN 427 Issue 1.2 - BT Wholesale Application Driven QoS, Service & Interface Description

SIN 427 has been amended in order to clarify the syntax of requested session duration.

SIN 450 Issue 1.3 - BT Wholesale - BT IPstream Advanced Services - End User Speed Control and Downstream Quality of Service, Service Description

SIN 450 has been updated with uncapped profiles. Four End User Speed Control (EUSC) default policies have also been added.

SIN 480 Issue 1.0 - Openreach Ethernet Backhaul Direct (EBD), Service & Interface Description

SIN 480 describes Ethernet Backhaul Direct (EBD). This Openreach product offers permanently connected, point-to-point high speed data circuits that provide a secure and un-contended backhaul service for Communications Providers. Launch is planned for 22 May 2008.

SIN 481 Issue 1.0 - Openreach Bulk Transport Link (BTL), Service & Interface Description

SIN 481 describes the Bulk Transport Link (BTL) product. This is a high capacity, resilient solution for the delivery of multiple Openreach services from an Openreach Handover Point to a Communications Provider’s site not located in a BT Local Exchange. Launch is planned for 22 May 2008.

Published 22/4/08

SIN 290 Issue 2.3 BT MusicLine One - Service Description

SIN 290 has been amended in order to update the "Further Information" references.

Published 14/4/08

SIN 477 Issue 1.0 - FTTP Generic Ethernet Access Service & Interface Description

SIN 477 describes the Generic Ethernet Access (GEA) offered on Fibre to the Premises (FTTP) infrastructure where fibre is deployed in Openreach’s local access network. This will initially be available as a pilot at Ebbsfleet, Kent.

Published 8/4/08

SIN 472 Issue 1.0 - BT Wholesale Broadband Connect (WBC) Products, Service Description

SIN 472 provides service description information about WBC and its related components, End User Accesses (EUAs), Aggregation Points (APs) and Extensions Paths (EPs) for use by BT and WBC Customers.

.Published 2/4/08

SIN 478 Issue 1.1 - Openreach CCTV Access (uncompressed) Service & Interface Description

SIN 478 has been updated on the day of product launch in order to remove the references to a future product launch.

SIN 479 Issue 1.1 - Openreach CCTV Access (compressed) Service & Interface Description

SIN 479 has been updated on the day of product launch in order to remove the references to a future product launch.

Published 1/4/08

SIN 482 Issue 1.0 - BT IPstream Connect Service Description

SIN 482 describes the IPstream Connect product. This is a new interconnect option for Communications Providers and is planned for launch on 31 July 2008.

Published 12/3/08

STIN 477 Issue 1.0 - FTTP Generic Ethernet Access Service & Interface Description

STIN 477 introduces the Generic Ethernet Access (GEA) trial offered on Fibre to the Premises (FTTP) at Kesgrave, Suffolk and provides details relevant to CPs regarding connectivity and interfaces.

Published 10/3/08

SIN 431 Issue 1.6 - Openreach Wholesale Extension Services 10, Wholesale End to End Extension Services (WES/WEES 10) and Wholesale Extension Service Local Access 10
(WES-LA 10)

SIN 431 has been updated to amend the Service Description in accordance with updated AC power guidance

SIN 444 Issue 1.3 - Openreach Backhaul Extension Services 10 (BES 10) Service & Interface Description

SIN 444 has been updated to amend the Service Description in accordance with updated AC power guidance.

Published 4/3/08

SIN 478 Issue 1.0 - Openreach CCTV Access (uncompressed) Service & Interface Description

SIN 478 describes the Openreach CCTV Access uncompressed (analogue) service and provides technical information for terminal equipment manufacturers, suppliers and developers.

SIN 479 Issue 1.0 - Openreach CCTV Access (compressed) Service & Interface Description

SIN 479 describes the Openreach CCTV Access compressed (digital) service and provides technical information for terminal equipment manufacturers, suppliers and developers.

Published 3/3/08

STIN 472 Issue 1.4 - BT Wholesale Broadband Connect (WBC) Products Service Description

STIN 472 has been updated to add in references to FTTP trial.

Published 29/2/08

SIN 466 Issue 2.1 - Openreach Network Backhaul Services Service & Interface Description

SIN 466 has been updated to improve clarity on Link Loss Forwarding

Published 25/2/08

SIN 218 Issue 2.3 - BT MegaStream 34, Service Description

SIN 218 has been amended to indicate that Megastream 34 Aggregate services are no longer available for new supply.

SIN 398 Issue 1.1 - Microconnect Distributed Antennas, Service & Interface Description

SIN 398 has been amended to indicate that the service is no longer available for new supply.

Published 22/2/08

SIN 346 Issue 2.7 - BT ADSL Interface Description

Issue 2.7 of SIN 346 has been updated from the previous issue in order to remove explicit support for ADSL2.

Published 13/2/08

SPIN 102 - Wholesale Line Rental (WLR2) release 15 maintenance release 6 scheduled for 14th January 2008

SPIN 102 is applicable to all Wholesale Line Rental (WLR2) Communications Providers. In order to function with future releases of the WLR3 EMP software on the Equivalence Management Platform, the Service Provider Gateway will be enhanced through maintenance releases without being taken out of service. Openreach Customer Briefing WLR125/07 gave 28 days notice of this change.

Published 14/1/08

SIN 427 Issue 1.1 - BT Wholesale Application Driven QoS, Service & Interface Description

SIN 427 Issue 1.1 has been amended in order to provide clarification in various areas, following customer feedback on Issue 1.0.

SIN 338 Issue 1.6 - BT LAN EXTENSION SERVICE 1000, Service Description

SIN 338 Issue 1.6 has been amended in order to note that the product has been withdrawn from new sale.

SIN 429 Issue 1.2 - BT LAN Extension Service 10000, Service Description

SIN 429 Issue 1.2 has been amended in order to note that the product has been withdrawn from new sale.

Published 31/12/07

STIN 472 Issue 1.2 - BT Wholesale Broadband Connect (WBC) Products, Service Description

Issue 1.2 of STIN472 has been amended from the previous issue in order to improve clarity, eg removal of duplicated information.

STIN 441 Issue 2.0 - BT IPstream Home Max & BT IPstream Office Max , Service Description And Interface Specificatione Description

STIN 441 has been withdrawn due to the completion of the trial. The full service is covered by SIN386.

STIN 442 Issue 2.0 - BT Datastream Office Max & BT Datastream Home Max, Service Description And Interface Specification

STIN 442 has been withdrawn due to the completion of the trial. The full service is covered by SIN347.

Published 14/12/07

SIN 473 Issue 1.0 - Broadcast Access: 140MBit/s, Service and Interface Description

SIN 473 provides technical information on a new access service, which primarily allows the transportation of 140MBit/s Broadcast video circuits over fibre infrastructure, utilising new network terminating equipment (NTE).

SIN 474 Issue 1.0 - Broadcast Access: 270MBit/s, Service and Interface Description

SIN 474 provides technical information on a new access service, which primarily allows the transportation of 270MBit/s Broadcast video circuits over fibre infrastructure, utilising new network terminating equipment (NTE).

SIN 475 Issue 1.0 - Broadcast Access: 1.485GBit/s, Service and Interface Description

SIN 475 provides technical information on a new access service, which primarily allows the transportation of 1.485GBit/s Broadcast video circuits over fibre infrastructure, utilising new network terminating equipment (NTE).

SIN 476 Issue 1.0 - BT Downstream 21CN Ethernet Services, Service Description

SIN 476 provides technical information on the BT Downstream 21CN Ethernet Services, which offer access options at different rates.

Published 30/11/07

SIN 456 Issue 1.1 - BT IPstream SID for Accounting, Service and Interface Description

SIN 456 has been updated with references to the new SIN 469 “BT IPstream SID for Authentication” and related editorial changes.

SIN 469 Issue 1.0 - BT IPstream SID for Authentication, Service & Interface Description

SIN 469 provides technical information on the ‘SID (Service Identifier) for Authentication’ enhancement to BT IPstream. The enhancement allows verification that an end user access request has originated from the same connection that was configured during service provision. This follows the trial service, previously described in STIN 469.

Published 23/11/07

STIN 472 Issue 1.1 - BT Wholesale Broadband Connect (WBC) Products, Service Description

Issue 1.1 of STIN 472 is a redrafted version to cover the ST3 service trial. 

Published 16/11/07

STIN 470 Issue 1.0 - External NTE for the PSTN Single Analogue Line Interface, Service & Interface Description

STIN 470 provides technical information on the trial of External Network Terminating Equipment for the PSTN Single Analogue Line Interface as a standard engineering practice for new residential premises under certain circumstances. 

Published 13/11/07

SIN 431 Issue 1.5 - Openreach Wholesale Extension Services 10, Wholesale End to End Extension Services (WES/WEES 10), and Wholesale Extension Service Local Access 10 (WES-LA 10), Service & Interface Description

SIN 431 has been amended in accordance with updated DC power guidance.

SIN 433 Issue 1.5 - Openreach Wholesale Extension Service 100 (WES 100), Wholesale End to End Extension Services 100 (WEES100), and Wholesale Extension Service Local Access 100 (WES-LA 100), Service & Interface Description

SIN 433 has been amended in accordance with updated DC power guidance.

SIN 434 Issue 1.4 - Openreach Wholesale Extension Service 155 (WES 155) and Wholesale End to End Extension Services 155 (WEES155), Service & Interface Description

SIN 434 has been amended in accordance with updated DC power guidance.

SIN 435 Issue 1.4 - Openreach Wholesale Extension Service 622 (WES622) and Wholesale End to End Extension Service 622 (WEES622), Service & Interface Description

SIN 435 has been amended in accordance with updated DC power guidance.

SIN 436 Issue 1.5 - Openreach Wholesale Extension Service 1000 LAN & 1000ER (WES 1000 LAN, WES1000ER), Wholesale End to End Extension Service 1000 &1000ER (WEES1000 LAN, WEES 1000ER), and Wholesale Extension Service Local Access 1000 LAN (WES-LA 1000 LAN), Service & Interface Description

SIN 436 has been amended in accordance with updated DC power guidance.

SIN 437 Issue 1.4 - Openreach Wholesale Extension Service 1000 SAN (WES1000 SAN), Wholesale End to End Extension Service 1000 SAN (WEES1000 SAN) and Wholesale Extension Local Access Services 1000 SAN (WES-LA 1000 SAN), Service & Interface Description

SIN 437 has been amended in accordance with updated DC power guidance.

SIN 444 Issue 1.2 - Openreach Backhaul Extension Services 10, (BES 10), Service & Interface Description

SIN 444 has been amended in accordance with updated DC power guidance.

SIN 445 Issue 1.2 - Openreach Backhaul Extension Services 100 (BES 100), Service & Interface Description

SIN 445 has been amended in accordance with updated DC power guidance.

SIN 446 Issue 1.2 - Openreach Backhaul Extension Services 155 (BES 155), Service & Interface Description

SIN 446 has been amended in accordance with updated DC power guidance.

SIN 447 Issue 1.2 - Openreach Backhaul Extension Services 622 (BES 622), Service & Interface Description

SIN 447 has been amended in accordance with updated DC power guidance.

SIN 448 Issue 1.2 - Openreach Backhaul Extension Services 1000 /1000ER (BES 1000/1000ER), Service & Interface Description

SIN 448 has been amended in accordance with updated DC power guidance.

SIN 459 Issue 1.2 - Openreach Wholesale Extension Services 2500 (WES 2500) and Wholesale End to End Extension Services 2500 (WEES 2500), Service Description

SIN 459 has been amended in accordance with updated DC power guidance.

SIN 460 Issue 1.2 - Openreach Wholesale Extension Services 10000 (WES 10000) and Wholesale End to End Extension Services (WEES 10000) Service Description

SIN 460 has been amended in accordance with updated DC power guidance.

SIN 462 Issue 1.1 - Openreach Backhaul Extension Services 2500 (BES 2500), Service Description

SIN 462 has been amended in accordance with updated DC power guidance.

SIN 463 Issue 1.1 - Openreach Backhaul Extension Services 10000 (BES 10000), Service Description

SIN 463 has been amended in accordance with updated DC power guidance.

SIN 465 Issue 1.3 - Openreach WES Aggregation Service, Service & Interface Description

SIN 465 has been amended in accordance with updated DC power guidance.

Published 31/10/07

STIN 471 Issue 1.0 - Wholesale Broadband Managed Connect, Service Description

STIN 471 describes the Wholesale Broadband Managed Connect service that is planned for Alpha trial in January 2008. The service provides connectivity between the Wholesale Broadband Connect product and the Communication Provider's network. 

Published 19/10/07

SIN 468 Issue 1.0 - Openreach Street Access, Service & Interface Description

SIN 468 describes the Openreach Street Access service that it is planned to launch on 1 October 2007. The service provides permanent, high speed, point-to-point data circuits linking remote street furniture locations with Communications Provider’s network equipment accommodated at BT local serving exchanges. 

Published 30/08/07

SIN 133 Issue 4.1 - The BT Cardway Service, Service Description

SIN 133 has been updated to replace the contact point for Service Availability and Tariffs.

Published 29/08/07

STIN 469 Issue 1.0 - BT IPstream SID for Authentication, Service & Interface Description

STIN 469 has been published for the continuing trial of BT IPstream SID for Authentication. This trial was previously included with the BT IPstream SID for Accounting trial service in STIN 456. STIN 456 has now been replaced by SIN 456 for the launch of the BT IPstream SID for Accounting service.

SIN 456 Issue 1.0 - BT IPstream SID for Accounting, Service & Interface Description

Following a trial of BT IPstream SID for Accounting, STIN 456 has been updated to SIN 456 for the launch of this service.

Published 24/08/07

SPIN 101 - Wholesale Line Rental (WLR2) release 15 maintenance release 5 scheduled for 20th September 2007

This Service Provider Industry Notification is applicable to all Wholesale Line Rental (WLR2) Communications Providers and relates to changes in Wholesale Line Rental that will be visible on the Service Provider Gateway after 20th September 2007.

Published 16/08/07

SIN 222 Issue 2.5 - BT ISDN 30 (DASS), Service Description

SIN 222 has been updated to add Presentation Number to the service facilities described in Annex 1. Presentation Number had previously been omitted in error.

SIN 312 Issue 1.8 - BT ISDN Services, Overview

The withdrawal date for Highway, mentioned in clause 3 of this SIN, has been updated to align with the withdrawal notification for the service published in SIN 275.

Published 27/07/07

SIN 408 Issue 2.2 - BT Openzone, Service Description

Some limitations in the Service Availability clause have been deleted in SIN 408 to take account of the increasing coverage of BT Openzone.

Published 18/07/07

SIN 331 Issue 2.1 - BT 50 Baud Telex Service, Interface Description & Withdrawal Notification

An erroneous withdrawal date in clause 2 has been corrected to align with the March 2008 withdrawal date notified in clause 1.

Published 06/07/07

SIN 56 Issue 2.0 - Message Switching Computers connected to SPC Telex Exchanges, Interface Description & Withdrawal Notification

SIN 56 now contains notification that the BT telex service is no longer available for new supply and that BT plans to withdraw it from operational service in March 2008.

SIN 94 Issue 2.0 - Telex Fallback and Monitor Units, Interface Description & Withdrawal Notification

SIN 94 now contains notification that the BT telex service is no longer available for new supply and that BT plans to withdraw it from operational service in March 2008.

SIN 259 Issue 2.0 - SecureStream 300, Service Description & Withdrawal Notification

SIN 259 now contains notification that the BT SecureStream 300 service is no longer available for new supply and that BT plans to withdraw it from operational service in March 2008.

SIN 271 Issue 2.0 - MultiTelex X.25 Line Delivery, Interface Description and Withdrawal Notification

SIN 271 now contains notification that the BT MultiTelex service is no longer available for new supply and that BT plans to withdraw it from operational service in March 2008.

SIN 331 Issue 2.0 - BT 50 Baud Telex Service, Interface Description & Withdrawal Notification

SIN 331 now contains notification that the BT telex service is no longer available for new supply and that BT plans to withdraw it from operational service in March 2008.

Published 04/07/07

SIN 458 Issue 1.3 - Openreach Backhaul Network Services (BNS ), Service & Interface Description

SIN 458 has been amended by this issue to show that from 19 September it is planned to increase the maximum radial distance between sites to 35km.

Published 27/06/07

SPIN 100 WLR EMP RELEASE 500/510

SIN 275 Issue 6.1 BT Highway - BT’s Lowband Digital Access Service, Service Description & Withdrawal Notification

Issue 6.1 of SIN 275 has amended dates for the withdrawal of Business Highway and its Wholesale Line Rental equivalent, Digital Business.

Published 26/06/07

SIN 450 Issue 1.2 BT Wholesale - BT IPstream Advanced Services - End User Speed Control and Downstream Quality of Service, Service Description

This issue of SIN 450 advises that BT Wholesale plans to increase the maximum duration of Assured Rate sessions to 24 hours from 29 June 2007

Published 30/05/07

SIN 278 Issue 1.5 Enhanced Information Service for Emergency Calls. Service Description
The contact details for further information on the Enhanced Information Service for Emergency Calls has been updated in Clause 3 of SIN 278.

Published 10/05/07

SIN 450 Issue 1.1 - BT Wholesale - BT IPstream Advanced Services - End User Speed Control and Downstream Quality of Service, Service Description
SIN 450 has been updated to notify BT Wholesale's intention to change BT IPstream Advanced Services from 1 July 2007. These changes are to the set of Broadband Remote Access Server profiles configured within the network and to remove the capping service logic to allow higher best efforts bandwidths to be in use whilst a Quality of Service session is active. 

Published 02/05/07

SIN 347 Issue 3.4 - BT Datastream Service, Service Description and Interface Specification
In this issue of SIN 347 the table of Datastream Office Virtual Path Options now shows Bandwidth in Mbit/s in addition to kbps, and the rates above 12 Mbit/s have been amended to show the correct kbps. The reference for further information on ISDN and Datastream compatibility has been updated.

Published 22/03/07

SIN 459 Issue 1.1 - Openreach Wholesale Extension Services 2500 (WES 2500) and Wholesale End To End Extension Services 2500 (WEES 2500), Service Description
The contact details to obtain further information for the service has been updated.

SIN 437 Issue 1.3 - Openreach Wholesale Extension Service 1000 SAN (WES1000 SAN), Wholesale End To End Extension Service 1000 SAN (WEES1000 SAN) and Wholesale Extension Local Access Services 1000 SAN (WES-LA 1000 SAN), Service & Interface Description
The contact details to obtain further information for the service has been updated.

Published 08/03/07

SIN 465 Issue 1.2 - Openreach WES Aggregation Service, Service & Interface Description
The contact details to obtain further information for the service has been updated.

SIN 460 Issue 1.1 - Openreach Wholesale Extension Services 10000 (WES 10000) and Wholesale End To End Extension Services (WEES 10000), Service Description
The contact details to obtain further information for the service has been updated.

SIN 436 Issue 1.4 - Openreach Wholesale Extension Service 1000 LAN & 1000ER (WES 1000 LAN, WES1000ER), Wholesale End To End Extension Service 1000 &1000ER (WEES1000 LAN, WEES 1000ER) and Wholesale Extension Service Local Access 1000 LAN (WES-LA 1000 LAN), Service & Interface Description
The contact details to obtain further information for the service has been updated.

SIN 435 Issue 1.3 - Openreach Wholesale Extension Service 622 (WES622) and Wholesale End To End Extension Service 622 (WEES622), Service & Interface Description
The contact details to obtain further information for the service has been updated.

SIN 434 Issue 1.3 - Openreach Wholesale Extension Service 155 (WES 155) and Wholesale End To End Extension Services 155 (WEES155), Service & Interface Description
The contact details to obtain further information for the service has been updated.

SIN 433 Issue 1.4 - Openreach Wholesale Extension Service 100 (WES 100), Wholesale End To End Extension Services 100 (WEES100) and Wholesale Extension Service Local Access 100 (WES-LA 100), Service & Interface Description
The contact details to obtain further information for the service has been updated.

SIN 431 Issue 1.4 - Openreach Wholesale Extension Services 10, Wholesale End To End Extension Services (WES/WEES 10) and Wholesale Extension Service Local Access 10 (WES-LA 10), Service & Interface Description
The contact details to obtain further information for the service has been updated.

Published 07/03/07

SIN 432 Issue 1.4 - Openreach Wholesale Extension Services 10 and Wholesale End to End Extension Services Local Reach (WES/WEES 10LR), Service Description
The SIN has been amended to note that a current limitation of the WES/WEES 10LR Network Terminating Equipment is the blocking of certain Layer 2 control protocols, e.g. Bridge Protocol Data Unit (BPDU – Spanning Tree).

Published 05/03/07

SIN 466 Issue 2.0 - Openreach Network Backhaul Services, Service & Interface Description
This SIN has been reissued to include Openreach Network Backhaul Services 10000 and Openreach Network Backhaul Services 100 Fast Ethernet, and clarify to the Resilience Options available.

Published 01/03/07

SIN 390 Issue 2.4 - BT’s managed IP VPN services, MetroVPN and VPN EquIP, Service Interface
In this issue of SIN 390 the section on the 100M Flex access speed has been amended to remove details of future changes that will not now be implemented.

SIN 432 Issue 1.3 - Openreach Wholesale Extension Services 10 and Wholesale End to End Extension Services Local Reach (WES/WEES 10LR), Service Description
This issue of SIN 432 has revised power requirements for the Openreach Network Terminating Equipment.

Published 21/02/07

SIN 181 Issue 1.3 - Fixed Fee Charging
In this issue of SIN 181 attention is drawn to the notification in SIN 182 of the withdrawal of Meter Pulse Facility and the reference for the characteristics of Meter Pulse Facility have been changed from BS 6305 to SIN 354.

SIN 182 Issue 2.1 - Payphone Exchange Line Service
The information in SIN 182 on access from Payphone Exchange Lines to numbers with fixed fee charges has been updated.

Published 29/01/07

SIN 385 Issue 2.6 - BT IP Clear Service Description
SIN 385 has been amended to show that Autonegotiation needs to be set to ‘ON’ for the GiGE interface, Border Gateway Protocol enhancements have been added on the DSL interface, redundant information removed from the SIN and editorial changes made.

Published 17/01/07

SIN 311 issue 2.5 - BT LAN Extension Service 100, Service Description
This SIN now states that the BT LAN Extension Service 100 is not available for new supply.

SIN 431 Issue 1.3 - Openreach Wholesale Extension Services 10, Wholesale End to End Extension Services (WES/WEES 10) and Wholesale Extension Service Local Access 10 (WES-LA 10), Service & Interface Description
SIN 431 has been updated by the addition of Wholesale Extension Service Local Access 10.

SIN 433 Issue 1.3 - Openreach Wholesale Extension Service 100 (WES 100), Wholesale End to End Extension Services 100 (WEES100) and Wholesale Extension Service Local Access 100 (WES-LA 100), Service & Interface Description
SIN 433 has been updated by the addition of Wholesale Extension Service Local Access 100.

SIN 436 Issue 1.3 - Openreach Wholesale Extension Service 1000 LAN & 1000ER (WES 1000 LAN, WES1000ER), Wholesale End to End Extension Service 1000 &1000ER (WEES1000 LAN, WEES 1000ER) and Wholesale Extension Service Local Access 1000 LAN (WES-LA 1000 LAN), Service & Interface Description
SIN 436 has been updated by the addition of Wholesale Extension Service Local Access 1000 LAN (Local Area Network).

SIN 437 Issue 1.2 - Openreach Wholesale Extension Service 1000 SAN (WES1000 SAN), Wholesale End to End Extension Service 1000 SAN (WEES1000 SAN) and Wholesale Extension Local Access Services 1000 SAN (WES-LA 1000 SAN), Service & Interface Description
SIN 437 has been updated by the addition of Wholesale Extension Local Access Services 1000 SAN (Storage Area Network).

Published 21/12/06

SIN 347 Issue 3.3 - BT Datastream Service, Service Description and Interface Specification
This issue of SIN 347 provides details of capped rate profiles which may be applied to BT Datastream Max /Max Premium products from 31st December 2006.

SIN 386 Issue 3.0 - BT IPstream Office, BT IPstream Home, BT IPstream Max & BT IPstream Max Premium Products, Service Description and Interface Specification
This issue of SIN 386 provides details of capped rate profiles which may be applied to BT IPstream Max /Max Premium products from 31st December 2006.

Published 01/12/06

SIN 246 Issue 2.0 - BT MegaStream 140, Service Description & Withdrawal Notification
This issue of SIN 246 gives notification that BT plans to withdraw the BT MegaStream 140 service in December 2006.

Published 16/11/06

SIN 368 Issue 1.2 - Index of Protocol Implementation Conformance Statements (PICS) for ISDN 2e and ISDN 30e Customer Interfaces, Technical Information For Suppliers
The hyperlinks in SIN 368 have been updated due to the publication of updated issues of SIN 369 Parts B, D and E.

SIN 369 Part B Issue 1.1 - Protocol Implementation Conformance Statements (PICS) for ISDN 2e: Basic Access - Layer 1, Technical Information For Suppliers
A note has been added to a Protocol Implementation Conformance Statement to show that some, but not all, BT Network Terminations operating point-to-point will accommodate round trip delays in the range 10μs to 42μs.

SIN 369 Part D Issue 1.1 - Protocol Implementation Conformance Statements (PICS) for ISDN 2e: Basic Access - Layer 2, Technical Information For Suppliers
A note has been added to a Protocol Implementation Conformance Statement to show that some, but not all, BT Network Terminations support the Subsidiary Network Capability to transmit I frames in the own receiver busy condition.

SIN 369 Part E Issue 1.1 - Protocol Implementation Conformance Statements (PICS) for ISDN 30e: Primary Rate Access - Layer 2, Technical Information For Suppliers
A note has been added to a Protocol Implementation Conformance Statement to show that some, but not all, BT Network Terminations support the Subsidiary Network Capability to transmit I frames in the own receiver busy condition. An error has been corrected to now show that Service Access Point Identifier 63 is Not Applicable since the relevant Terminal Endpoint Identifier management procedure is not supported, as correctly shown in the PICS.

Published 10/11/06

SIN 171 Issue 9.0 - BT ISDN 2 (Using limited ETSI Call Control), Service Description and Withdrawal Notification
This SIN gives notification that BT plans to withdraw the BT ISDN 2 (Using limited ETSI Call Control) service in July 2007. Changes have also been made to the section on Anonymous Call Rejection whilst information on future developments, Customers' Premises Equipment development facilities and the completed UK Number Change Programme has been removed.

SIN 232 Issue 5.0 - BT ISDN 30 (I.421) Service, Service Description and Withdrawal Notification
This SIN gives notification that BT plans to withdraw the BT ISDN 30 (I.421) service in July 2007. Changes have also been made to the section on Anonymous Call Rejection whilst information on future developments, Customers' Premises Equipment development facilities and the completed UK Number Change Programme has been removed.

SIN 312 Issue 1.7 - BT ISDN Services, Overview
SIN 312 has been updated to include the withdrawal of some ISDN services in 2007 as notified in SIN 171 (BT ISDN 2 Using limited ETSI Call Control), SIN 275 (BT Highway) and SIN 232 (BT ISDN 30, I.421). Reference to SIN 277 (Impact on Terminal Equipment of changes to the dialled digit numbering in the public PSTN and ISDN) has been removed as SIN 277 was withdrawn and the relevant ISDN information it contained is now published in SIN 261, Annex C.

Published 9/11/06

SIN 275 Issue 6.0 - BT Highway – BT’s Lowband Digital Access Service, Service Description & Withdrawal Notification
Notification is given in this issue of SIN 275 of the planned withdrawal of Home Highway in February 2007 and Business Highway in July 2007. Notice is also given that Openreach plans to withdraw both Digital Home and Digital Business, its wholesale equivalent of Home Highway and Business Highway, in July 2007. 

Published 2/11/06

SIN 450 Issue 1.0 - BT Wholesale, BT IPstream Advanced Services, End User Speed Control and Downstream Quality of Service, Service Description
SIN 450 gives notice of the planned launch on 28 November 2006 of BT Wholesale, BT IPstream Advanced Services, End User Speed Control and Downstream Quality of Service and describes the service.

SIN 427 Issue 1.0 BT Wholesale Application Driven QoS, Service & Interface Description
SIN 427 gives notice of the planned launch on 28 November 2006 of BT Wholesale Application Driven Quality of Service and describes the service.

Published 25/10/06

SIN 182 Issue 2.0 - Payphone Exchange Line Service
In this issue of SIN 182 Called Party Answer has been added and notification is given for the withdrawal of Meter Pulse Facility

Published 20/10/06

SIN 376 Issue 1.2 - BT Wholesale Broadband SHDSL Interface Description
SIN 376 has been amended to provide further information on the connection arrangements when the BT Wholesale Broadband SHDSL service is presented at a standard BT NTE5 network termination.

Published 19/10/06

STIN 456 Issue 2.0 - BT IPstream SID for Authentication and Accounting, Service & Interface Description
STIN 456 has been amended in several areas. Further detail has been given for the Service Identifier format. For Accounting Request the Service Identifier will now be associated with the Calling-Station-ID attribute, not the Class attribute. Authentication and Accounting is now shown as two separate features that can be ordered independently.

Published 17/10/06

SIN 466 Issue 1.1 - Openreach Network Backhaul Services, Service & Interface Description
Editorial changes have been made in this issue of SIN 466 that includes a revised Figure 1.
SIN 466 describes the Next Generation Networks Openreach Network Backhaul Services (ONBS) product that will connect BT’s 21CN MSAN and Metro nodes with 100 Mbit/s and 1000 Mbit/s circuits.

Published 10/10/06

SIN 431 Issue 1.2 - Openreach Wholesale Extension Services 10 and Wholesale End to End Extension Services (WES/WEES 10), Service & Interface Description
The Wholesale End to End Extension service 10 has been added to this issue of SIN 431. This provides a 10 Mbit/s uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 432 Issue 1.2 - Openreach Wholesale Extension Services 10 and Wholesale End to End Extension Services Local Reach (WES/WEES 10LR), Service Description
The Wholesale End to End Extension service 10LR has been added to this issue of SIN 432. This provides a 10 Mbit/s uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 433 Issue 1.2 - Openreach Wholesale Extension Service 100 (WES 100) and Wholesale End to End Extension Services 100 (WEES100), Service & Interface Description
The Wholesale End to End Extension service 100 has been added to this issue of SIN 433. This provides a 100 Mbit/s uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 434 Issue 1.2 - Openreach Wholesale Extension Service 155 (WES 155) and Wholesale End to End Extension Services 155 (WEES155), Service & Interface Description
The Wholesale End to End Extension service 155 has been added to this issue of SIN 434. This provides a 155 Mbit/s uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 435 Issue 1.2 - Openreach Wholesale Extension Service 622 (WES622) and Wholesale End to End Extension Service 622 (WEES622), Service & Interface Description
The Wholesale End to End Extension service 622 has been added to this issue of SIN 435. This provides a 155 Mbit/s uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 436 Issue 1.2 - Openreach Wholesale Extension Service 1000 LAN & 1000ER (WES 1000 LAN, WES1000ER) and Wholesale End to End Extension Service 1000 &1000ER (WEES1000 LAN, WEES 1000ER), Service & Interface Description
Wholesale End to End Extension services have been added to this issue of SIN 436. These provide an uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 437 Issue 1.1 - Openreach Wholesale Extension Service 1000 SAN (WES1000 SAN) and Wholesale End to End Extension Service 1000 SAN (WEES1000 SAN), Service & Interface Description
Wholesale End to End Extension services have been added to this issue of SIN 437. These provide an uncontended transmission path, routed via the Openreach network, cabled directly between third party customer sites.

SIN 444 Issue 1.1 - Openreach Backhaul Extension Services 10, (BES 10), Service & Interface Description
SIN 444 has been re-issued to update the service description to comply with Equivalence of Input requirements.

SIN 445 Issue 1.1 - Openreach Backhaul Extension Services 100 (BES 100), Service & Interface Description
SIN 445 has been re-issued to update the service description to comply with Equivalence of Input requirements.

SIN 446 Issue 1.1 - Openreach Backhaul Extension Services 155 (BES 155), Service & Interface Description
SIN 446 has been re-issued to update the service description to comply with Equivalence of Input requirements.

SIN 447 Issue 1.1 - Openreach Backhaul Extension Services 622 (BES 622), Service & Interface Description
SIN 447 has been re-issued to update the service description to comply with Equivalence of Input requirements.

SIN 448 Issue 1.1 - Openreach Backhaul Extension Services 1000 /1000ER (BES 1000/1000ER), Service & Interface Description
In this issue of SIN 448 the service description has been updated to be Equivalence of Input compliant and the BES1000 Extended Reach product added.

SIN 459 Issue 1.0 - Openreach Wholesale Extension Services 2500 (WES 2500) and Wholesale End to End Extension Services 2500 (WEES 2500), Service Description
Openreach Wholesale Extension Services & Wholesale End to End Extension Services operate at a speed of 2.488Gbit/s (STM-16) and can be used to provide transparent transport for equipment with STM 16 interfaces such as SDH equipment, ATM switches or IP routers

SIN 460 Issue 1.0 - Openreach Wholesale Extension Services 10000 (WES 10000) and Wholesale End to End Extension Services (WEES 10000) Service Description
SIN 460 describes the Openreach Wholesale Extension Services 10000 (WES10000) and Wholesale End to End Extension Services (WEES 10000). The WES/WEES 10000 services operate at a speed of 10.3125 Gbit/s for 10GBase-LR (10 Gigabit Ethernet LAN PHY), and 9.95328 Gbit/s for both STM-64 (10 Gigabit SDH) and 10GBase-LW (10 Gigabit Ethernet WAN PHY). The WES/WEES 10000 service can be used as an STM-64 SDH transport service or used to interconnect Local Area Networks incorporating a 10 Gigabit Ethernet backbone

SIN 462 Issue 1.0 - Openreach Backhaul Extension Services 2500 (BES 2500), Service Description
SIN 462 describes the Openreach Backhaul Extension Services 2500 that operate at a speed of 2.488Gbit/s. They can be used to provide transparent transport for equipment with STM-16 interfaces such as SDH equipment, ATM switches or IP routers with Packet over SONET interfaces

SIN 463 Issue 1.0 - Openreach Backhaul Extension Services 10000 (BES 10000), Service Description
SIN 463 describes the Openreach Backhaul Extension Services 10000 (BES10000) that operate at a speed of 10.3125 Gbit/s for 10GBase-LR (10 Gigabit Ethernet LAN PHY) and 9.95328 Gbit/s for both STM-64 (10 Gigabit SDH) and 10GBase-LW (10 Gigabit Ethernet WAN PHY). The services can be used as an STM-64 SDH transport service or used to interconnect Local Area Networks incorporating a 10 Gigabit Ethernet backbone.

SIN 465 Issue 1.1 - Openreach WES Aggregation Service, Service & Interface Description
An additional source for further information has been added to the contacts section of SIN 465.

Published 29/9/06

SIN 188 Issue 5.0 - BT LAN Extension Services 1, 2, 10 & 10 Local Reach (LES 1, 2, 10 & 10LR)
This issue of SIN 118 gives notification of the withdrawal of the BT Local Area Network Extension Service 1 on 30 September 2006. This issue contains a withdrawal notification.

SIN 233 Issue 2.0 - BT Fibre Distributed Data Interconnection Services 1 & 2 (FIS 1 & 2) -Service Description & Withdrawal Notification
This issue of SIN 233 gives notification of the withdrawal of the Fibre Distributed Data Interface Interconnection Services 1 & 2.

SIN 234 Issue 2.0 - BT Fibre Distributed Data Interconnection Services 3 & 4 (FIS 3 & 4) -Service Description & Withdrawal Notification
This issue of SIN 224 gives notification of the withdrawal of the Fibre Distributed Data Interface Interconnection Services 3 & 4.

Published 22/9/06

STIN 427 Issue 1.8 - BT Wholesale Application Driven QoS Service & Interface Description Associated with STIN 427 are Web Service Definition Language files for Interface & Event Specifications.
STIN 427 has been updated following receipt of feedback from the trial of BT Wholesale Application Driven QoS

Published 8/9/06

SIN 465 Issue 1.0 - Openreach WES Aggregation Service, Service & Interface Description
Wholesale Extension Services (WES) are high speed, point-to-point data circuits that are permanently connected and available 24 hours a day, 365 days per year. They provide a secure link between a third party customer site and a Communications Provider’s network at their own site.

Published 1/9/06

STIN 450 Issue 1.3 - BT Wholesale - BT IPstream Advanced Services - End User Speed Control and Downstream Quality of Service Service Description
STIN 450 has been amended as a result of feedback received from the trial.

Published 31/8/06

SIN 373 Issue 3.1 - BT WaveStream Connect™ Service Description & Interface 
The service description in this issue of SIN 373 has been augmented to give information about the number of wavelengths normally provided.

SIN 287 Issue 3.0 - BT Call Mapping Service, Service Description & Withdrawal Notification
SIN 287 gives notification that the planned withdrawal date for access to the BT Call Mapping Service via a Digital Private Network Signalling System No. 1 interface has been brought forward to 15 November 2006.

Published 17/8/06

SIN 458 Issue 1.2 - Openreach Backhaul Network Services (BNS ), Service & Interface Description
The product description in this issue of SIN 458 has been amended to give more prominence to Base Station Controller sites.

Published 4/8/06

SIN 354 Issue 4.0 - BT Public Switched Telephone Network (PSTN): Technical Characteristics Of The Supplementary Services available on the Analogue Line Interface.
This issue of SIN 354 contains a number of withdrawal notifications, additions and corrections.
Withdrawal notification is given for Charge Advice, Night Busying, analogue DDI, and Meter Pulse Facility whilst Called Party Answer has been included in the list of supplementary services. The Annexes to the SIN now have an additional column showing the supplementary services to be provided on BT's 21st century network together with their operating codes. The service names used for diversion facilities have been updated and corrections and additions made to the associated operating codes in the Annexes.

Published 1/8/06

SPIN 097 - Release 15 Maintenance Release 1, Scheduled for 31st July
This Service Provider Industry Notification (SPIN) is applicable to Wholesale Access PSTN, Wholesale Digital Access and Wholesale ISDN30 products and advises of the Release 15, Maintenance Release 1 of the Service Provider Gateway (SPG) on Monday 31st July 2006.

Published 26/7/06

SIN 133 Issue 4.0 - The BT Cardway Service - Service Description
SIN 133 has been updated to include Internet Protocol access to the BT Cardway service via a secure connection across BT's Multi Protocol Label Switching network

Published 17/7/06

STIN 454 Issue 1.0 - BT IPstream Session Steering Service and Interface Description

STIN 457 Issue 1.0 - BT IPstream Weighted Session Allocation, Service & Interface Description

Trial concluded

Withdrawn 6/7/06

SIN 225 Issue 4.0 - BT ISDNconnect, Service Description & Withdrawal Notification
This SIN now gives notification that the BT ISDNconnect Service will not be available for new supply from 31/08/06 and that BT plans to withdraw the BT ISDNconnect Service in the second half of 2007.

Published 22/6/06

SIN 287 Issue 2.0 - BT Call Mapping Service, Service Description & Withdrawal Notification
SIN 287 now contains notification that BT plans to withdraw access to the BT Call Mapping Service via a DPNSS interface in the second half of the year 2007.

Published 8/6/06

SIN 353 Issue 3.0 - BT Public Switched Telephone Network (PSTN): Technical Characteristics of the Direct Dialling In (DDI) Analogue Line Interface & Withdrawal Notification
SIN 353 has been updated to give notification that BT plans to withdraw the analogue DDI (Direct Dialling In) interface in December 2006.

Published 7/6/06

SIN 458 Issue 1.1 - Openreach Backhaul Network Services (BNS ), Service & Interface Description
Further detail has been added to the description of Openreach's Backhaul Network Services in this issue of SIN 458.

Published 5/6/06

SIN 351 Issue 4.5 - BT Public Switched Telephone Network (PSTN): Technical Characteristics Of The Single Analogue Line Interface
SIN 351 has been amended to include an option for the line polarity of a calling terminal to be reversed when a call is answered.

Published 26/5/06

SIN 373 Issue 3.0 - BT WaveStream Connect™ Service Description & Interface 
SIN 373 has been updated with the addition of FICON Express, STM 64 & 10 Gbit/s Ethernet customer interfaces, together with new radial distance limits.

Published 19/5/06

SIN 329 Issue 9.6 - BT Broadband IP Products - Interface Specification
This issue of SIN 329 gives notification of the withdrawal of the BT IPstream 500 and BT IPstream S products.

Published 4/5/06

SIN 347 Issue 3.2 - BT DatastreamService, Service Description and Interface Specification
This issue of SIN 347 introduces BT Datastream Aggregate Access Booking Ratios that may be used to improve the utilisation of the Aggregate Access Connection.

SIN 240 Issue 6.0 - BT Switched Multi-Megabit Data Service (SMDS), Service Description & Withdrawal Notification
SIN 240 has been withdrawn as the Switched Multi- Megabit Service has been withdrawn.

Published 28/4/06

SIN 222 Issue 2.4 - BT ISDN 30 - Service Description
This Suppliers Information Note describes the BT ISDN 30 (DASS) service, based on DASS 2 (Digital Access Signalling System No. 2). This issue has been updated to include the availability of ACR and announce the progressive withdrawal of CCRD, TLID and CCI following the implementation of 21CN.

SIN 261 Issue 5.3 - BT ISDN 2e and ISDN 30e (ISDN30 (I.421) using full ETSI Call Control - Service Description
This SIN describes the BT ISDN 2e and ISDN 30e ETSI services. This issue includes updates to ACR, CD and Outgoing Call Barring specification and inclusion of Called Party Number information previously published in SIN 277. Also the removal of reference to ISDN Terminal Equipment Compatibility Laboratory which has now ceased.

Published 21/4/06

SIN 376 Issue 1.1 -BT Wholesale Broadband SHDSL Interface Description
The SIN has been updated to show that from 30 June 2006 new orders will be met by providing End Users with a Network Termination Equipment 5 rather than a Service Specific Front Plate.

SIN 404 Issue 1.3 - BT DataStream Symmetric - Service Description and Interface Specification
SIN 404 has been updated to show that from 30 June 2006 new orders will be met by providing End Users with a Network Termination Equipment 5 rather than a Service Specific Front Plate. Obsolete text on port reservation has also been removed.

SIN 405 Issue 1.3 - BT IPstream Symmetric - Service Description and Interface Specification
The SIN has been updated to show that from 30 June 2006 new orders will be met by providing End Users with a Network Termination Equipment 5 rather than a Service Specific Front Plate.

Published 31/03/06

SIN 458 Issue 1.0 -Openreach Backhaul Network Services (BNS ), Service & Interface Description
Openreach Backhaul Network Services are high speed, point-to-point uncontended data circuits that offer Communications Providers links between Local Loop Unbundling co-mingling sites and one or more of the Communications Providers' points of presence.

Published 29/03/06

SIN 392 Issue 1.3 - BT Dial IP SurfNet Service Description
This issue of SIN 392 contains changes to the RADIUS interface, due to BT's network equipment being updated, and the addition of the TCP Clear protocol.

Published 22/03/06

SIN 426 Issue 1.0 - FacilityLine Ethernet Option, Service Description
Following a successful trial of the FacilityLine Ethernet Option, the Suppliers' Trial Information Note has been republished as a Suppliers' Information Note.

Published 16/03/06

SIN 418 Issue 1.1 - BT Wholesale Web Call Connect, Service & Interface Description
In this issue of SIN 418 the IPsec connection details have been updated with Firewall inter-operability information and call state guidelines

Published 03/03/06

SIN 329 Issue 9.4 - BT Broadband IP Products - Interface Specification
SIN 329 has been updated to add Gigaword to the Radius Accounting clauses

Published 01/03/06

STIN 457 Issue 1.0 BT IPstream Weighted Session Allocation, Service & Interface Description
This STIN describes the trial of a potential enhancement to the BT Ipstream service that proportionally allocate end user sessions between BT Centrals of different sizes, based on the bandwidth of each BT Central in a customer’s domain

Published 08/02/06

SIN 346 Issue 2.6 - BT ADSL Interface Description
This SIN has been updated to cover 21CN versions of ADSL, the possibility of ADSL 2 plus and CPE filters to ETSI standard TS101 952.

Published 03/02/06

SIN 408 Issue 2.1 - BT Openzone - Service Description
SIN 408 has been reissued to update the service description.

Published 02/02/06

SIN 418 Issue 1.1 - BT Wholesale Web Call Connect, Service & Interface Description
In this issue of SIN 418 the IPsec connection details have been updated with Firewall inter-operability information and call state guidelines

Published 03/03/06

SIN 329 Issue 9.4 - BT Broadband IP Products - Interface Specification
SIN 329 has been updated to add Gigaword to the Radius Accounting clauses

Published 01/03/06

STIN 457 Issue 1.0 BT IPstream Weighted Session Allocation, Service & Interface Description
This STIN describes the trial of a potential enhancement to the BT Ipstream service that proportionally allocate end user sessions between BT Centrals of different sizes, based on the bandwidth of each BT Central in a customer’s domain

Published 08/02/06

SIN 346 Issue 2.6 - BT ADSL Interface Description
This SIN has been updated to cover 21CN versions of ADSL, the possibility of ADSL 2 plus and CPE filters to ETSI standard TS101 952.

Published 03/02/06

SIN 408 Issue 2.1 - BT Openzone - Service Description
SIN 408 has been reissued to update the service description.

Published 02/02/06

SIN 351 Issue 4.4 - BT Public Switched Telephone Network (PSTN): Technical
Characteristics Of  The Single Analogue Line Interface
In this issue of the SIN the clauses describing on-line voltage and ringing have been updated to highlight changes that will be progressively introduced from the second half of 2006, although the descriptions of the BT network characteristics are unchanged. Reference to the "Recommended Standard for the UK National Transmission Plan", published by the Network Interoperability Consultative Committee, has also been added.

SIN 352 Issue 2.3 - BT Public Switched Telephone Network (PSTN): Technical Characteristics Of  The Multi-Line Analogue Line Interface
In this issue of the SIN the clauses describing on-line voltage and ringing have been updated to highlight changes that will be progressively introduced from the second half of 2006, although the descriptions of the BT network characteristics are unchanged. Reference to the "Recommended Standard for the UK National Transmission Plan", published by the Network Interoperability Consultative Committee, has been added. Notice is also given of the withdrawal of the Low Loss Lines option.

Published 18/1/06

STIN 456 Issue 1.0 - BT IPstream SID for Authentication and Accounting, Service & Interface Description
This STIN provides details for the trial of the BT IPstream Service Identifier for Authentication and Accounting enhancement.

Published 13/1/06

STIN 455 Issue 1 - Increase in Sessions on 622Mb L2TP BT Central Product for BT Ipstream, Service & Interface Description
This Supplier’s Trial Information Note provides technical information on the trial of an increase to the session limit on the 622Mb L2TP BT Central Product for BT IPstream.

Published 12/01/06 

STIN 443 Issue 1.0 - BT Central plus Static IP, Service & Interface Description

STIN 443 has been withdrawn and is now incorporated in SIN 329.

Withdrawn 3/2/06

SIN 347 Issue 3.0 - BT Datastream Service, Service Description and Interface Specification
SIN 347 has been updated to provide information on the introduction of BT Datastream Max and BT Datastream Max Premium End User Access options.

Published 29/12/05  

SIN 329 Issue 9.3 - BT Broadband IP Products - Interface Specification
SIN 329 has been re-issued to add the product reporting options available, update lead-time information and clarify the information on charging for ports

Published 23/12/05

STIN 454 Issue 1.0 - BT IPstream Session Steering Service and Interface Description
STIN 454 provides technical information on a trial of the BT IPstream Session Steering enhancement. This enhancement will allow customers with at least one BT Central and BT IPstream end user product to return Session Steering “tokens” to BT indicating the preferred component (an L2TP Tunnel Switch/Home Gateway Router, a BT Central or a Group of BT Centrals) that an end user should be steered to.

Published 21/12/05

STIN 450 Issue 1.2 - BT Wholesale - BT IPstream Advanced Services - End User Speed Control and Downstream Quality of Service - Service Description
In this issue of the STIN clarification has been added on the compatibility of BT Central Products with the service, the naming convention of best efforts policies has been updated to “Throttle To_” naming and information has been added on interoperation with DSL Max."

Published 09/12/05

SIN 453 Issue 1.0 - BT Dense Wave Division Multiplex 10G Wavelength Services, Service & Interface Description
BT’s Dense Wave Division Multiplex 10G Wavelength Services are end-to-end managed wavelength services, utilising Dense Wave Division Multiplexing and offering very high bandwidth connectivity of 10 Gbit/s per wavelength

Published 07/12/05

SIN 311 Issue 2.4 - BT LAN Extension Service 100 - Service Description.
The maximum frame for the LAN Extension Service 100 has been corrected to be 1548 bytes in this edition of the SIN.

STIN 427 Issue 1.7 - BT Wholesale Application Driven QoS Service & Interface Description
In this issue of STIN 427 the Service Availability and Tariffs clause has been deleted and additional information added to the Methods & Events clauses. The associated Web Services Description Language Interface and Event files on the SINet site have also been updated.

Published 02/12/05

SIN 329 Issue 9.2 - BT Broadband IP Products - Interface Specification
In this issue of SIN 329 the maximum number of domain names per Central or Central Plus instance has been increased from 10 to 50 and in the Virtual Domain section the ‘!’ character has been added to those that cannot be used as part of the username/domain format.

Published 02/12/05

SIN 358 Issue 2.0 BT International FeatureNet Service, Technical Characteristics of the Interfaces & Service Withdrawal Notification
Notification of BT's intention to withdraw the International FeatureNet service on 21 January 2006 has been added to this SIN

Published 21/11/05

SPIN 094 - Wholesale Access, Launch Of eCo Repair Release 4.2
This Service Provider Industry Notification is for Wholesale Access PSTN, Wholesale Access Multi-Line, Wholesale Digital Access, Wholesale ISDN30 and Call Mapping Service Providers and advises of the release of version 14.1 of the Service Provider Gateway on 19th December 2005.

SPIN 095 - Wholesale Access, Launch of Release 14.1 - 19th December 2005
This Service Provider Industry Notification is for Wholesale Access PSTN, Wholesale Access Multi-Line, Wholesale Digital Access, Wholesale ISDN30 and Call Mapping Service Providers and advises of the release of version 4.2 of eCo repair on 19th December 2005.

Published 18/11/05

STIN 427 Issue 1.6 - BT Wholesale Application Driven QoS Service & Interface Description
STIN 427 has been reissued to updated the example for used to illustrate the applyQoSFeature exception INSUFFICIENT_ACCESS_LINE_RESOURCES. The associated Web Services Description Language Interface and Event files have also been updated.

SIN