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Suppliers’ information notes (SINS)
This is where you’ll find SINs which have guidance on Openreach products and services. You’ll also find suppliers’ trial information notes (STINs) here.
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SIN 171- Service Description and Withdrawl Notification V9_4 Sep2020
Size: 331 KB Download -
SIN 182 – Payphone exchange line service V2_4 Aug 2020
Size: 258 KB Download -
SIN 222 – ISDN 30 (DASS) service description V2_11 Jun 2020
Size: 270 KB Download -
SIN 227 – CDS Calling Line Identification (CLI) service v3_9 Aug2020
Size: 485 KB Download -
SIN 232-ISDN 30 (l.421) - Service Description and Withdrawl Notification v5_4 Sep2020
Size: 433 KB Download -
SIN 242 – CDS Calling Line Identification (CLI) service v2_7 Aug2020
Size: 625 KB Download -
SIN 243- BT ISDN Services ISDN International Interworking & Withdrawl Notification for the International Unrestricted 64KBITS/S Bearer Service Technical Information for Suppliers v4_4 Jul2020
Size: 529 KB Download -
SIN 261- BT ISDN 2e and ISDN 30e Services using full ETSI Call Control Service Description & Withdrawl Notification for the International Unrestricted 64KBIT/S Bearer Service v5_8 Jul2020
Size: 874 KB Download -
SIN 312- BT ISDN Services Overview & Withdrawl Notification for the International Unrestricted 64KBIT/S Bearer Service v1_12 Jul2020
Size: 280 KB Download -
SIN 349 – Metallic path facility (MPF) – interface description v2_6 Aug2020
Size: 474 KB Download -
SIN 350- Openreach Public Switched Telephone Network (PSTN): Network Tones and Announcements v1_8 Sep2020
Size: 185 KB Download -
SIN 351 – Public switched telephone network (PSTN) v5 Aug2020
Size: 492 KB Download -
SIN 352 BT Public Switched Telephone Network (PSTN):Technical Characteristics of the Multi-Line Analogue Line Interface v2_9 Sep2020
Size: 371 KB Download -
SIN 354 Openreach Public Switched Telephone Network (PSTN):Technical Characteristics of the Supplementary Services available on the Analogue Line Interface v7_1 Sep2020
Size: 525 KB Download -
SIN 360 – Ethernet customer interfaces V4_5 Jun 2020
Size: 440 KB Download -
SIN 368-Index of Protocol Implementation Conformance Statements (PICS)for ISDN 2e and ISDN 30e Customer Interfaces Technical Information for Suppliers V1_5 Sep 2020
Size: 110 KB Download -
SIN 369 PartA- Protocol Implementation Conformance Ststements (PICS) for ISDN 2e and ISDN 30e: Basic Call Control and Basic Services Technical Information for Suppliers V1_2 Oct 2020
Size: 77 KB Download -
SIN 369 PartB- Protocol Implementation Conformance Ststements (PICS) for ISDN 2e: Basic Access - Layer 1 Technical Information for Suppliers V1_3 Oct 2020
Size: 193 KB Download -
SIN 369 PartC- Protocol Implementation Conformance Ststements (PICS) for ISDN 30e: Primary Rate Access - Layer 1 Technical Information for Suppliers V1_2 Oct 2020
Size: 138 KB Download -
SIN 369 PartD- Protocol Implementation Conformance Ststements (PICS) for ISDN 2e: Basic Access - Layer 2 Technical Information for Suppliers V1_3 Oct 2020
Size: 166 KB Download -
SIN 369 PartE- Protocol Implementation Conformance Ststements (PICS) for ISDN 30e: Primary Rate Access - Layer 2 Technical Information for Suppliers v1_3 Oct2020
Size: 269 KB Download -
SIN 369 PartF- Protocol Implementation Conformance Ststements (PICS) for ISDN 2e: Basic Access - Layer 3 Coincident S and T Reference Point Point-to-Multipoint Configuration Technical Information for Suppliers V1_2 Oct 2020
Size: 746 KB Download -
SIN 369 PartG- Protocol Implementation Conformance Ststements (PICS) for ISDN 2e: Basic Access - Layer 3 T Reference Point - Point-to-Point Confirguration Technical Information for Suppliers V1_4 Oct 2020
Size: 746 KB Download -
SIN 369 PartH- Protocol Implementation Conformance Ststements (PICS) for ISDN 30e: Primary Rate Access - Layer 3 T Reference Point - Point-to-Point Confirguration Technical Information for Suppliers V1_4 Oct 2020
Size: 744 KB Download -
SIN 370 – Part A – Digital Select Services – technical information for suppliers V1_2 Aug 2020
Size: 167 KB Download -
SIN 370 – Part B – Digital Select Services – call diversion technical information for suppliers V1_2 Aug 2020
Size: 315 KB Download -
SIN 370 – Part C – Digital Select Services – call waiting technical information for suppliers V1_2 Aug 2020
Size: 231 KB Download -
SIN 370 – Part D – Digital Select Services – calling line identification presentation (CLIP) V1_2 Aug 2020
Size: 227 KB Download -
SIN 370 – Part E – Digital Select Services – calling line identification restriction (CLIR) V1_2 Aug 2020
Size: 191 KB Download -
SIN 370 – Part F – Digital Select Services – connected line identification presentation (COLP) V1_2 Aug 2020
Size: 228 KB Download -
SIN 370 – Part G – Digital Select Services – connected line identification restriction (COLR) V1_2 Aug 2020
Size: 225 KB Download -
SIN 370 – Part H – Digital Select Services – direct dialling in (DDI) V1_2 Aug 2020
Size: 189 KB Download -
SIN 370 – Part I – Digital Select Services – hold technical information for suppliers V1_2 Aug 2020
Size: 229 KB Download -
SIN 370 – Part J – Digital Select Services – malicious call identification (MCID) v1_2 Aug2020
Size: 196 KB Download -
SIN 370 – Part K – Digital Select Services – multiple subscriber number (MSN) V1_2 Aug 2020
Size: 210 KB Download -
SIN 370 – Part L – Digital Select Services – subaddressing (SUB) V1_2 Aug 2020
Size: 192 KB Download -
SIN 370 – Part M – Digital Select Services – terminal portability (TP) V1_2 Aug 2020
Size: 169 KB Download -
SIN 375 – Terminal equipment spectral power requirements V1_9 Aug 2020
Size: 261 KB Download -
SIN 431 – WES/WEES10 and WES – LA10 service and interface description V1_12 June 2020
Size: 707 KB Download -
SIN 432 – WES/WEES10LR service and interface description V1_9 Jun 2020
Size: 406 KB Download -
SIN 433 – WES100, WEES100, WES – LA 100 service and interface description V1_11 Aug 2020
Size: 365 KB Download -
SIN 434-WES155 and WEES155 Service & Interface Description V1_9 Jun 2020
Size: 437 KB Download -
SIN 435 – WES622 and WEES622 service and interface description V1_6 Aug 2020
Size: 451 KB Download -
SIN 436 – WES 1000 LAN, WES100ER and WEES 1000 LAN, WEES100ER and WES – LA1000 LAN v1_11 May2020
Size: 482 KB Download -
SIN 437 – WES1000 SAN & WEES1000 SAN and WES – LA1000 SAN service and interface description V1_9 Aug 2020
Size: 311 KB Download -
SIN444 Openreach Backhaul Extension Service 10 (BES10) v1_4 Aug2020
Size: 476 KB Download -
SIN 445-Openreach Backhaul Extension Services 100 (BES 100) Service & Interface Description V1_7 Jun 2020
Size: 527 KB Download -
SIN 446-Openreach Backhaul Extension Services 155 (BES 155) Service & Interface Description V1_7 Jun 2020
Size: 515 KB Download -
SIN 447-Openreach Backhaul Extension Services 622 (BES 622) Service & Interface Description V1_7 Jun 2020
Size: 513 KB Download -
SIN 448-Openreach Backhaul Extension Services 1000/1000ER (BES 1000/1000ER) Service & Interface Description V1_7 Jun 2020
Size: 421 KB Download -
SIN 459 – Openreach wholesale extension services 2500 (WES2500) and wholesale end-to-end extension services (WEES 2500) V1_7 Aug 2020
Size: 406 KB Download -
SIN 460 – Openreach wholesale extension services 10000 (WES10000) and wholesale end-to-end extension services (WEES 10000) V1_7 Aug 2020
Size: 348 KB Download -
SIN 462 – Openreach backhaul extension services 2500 (BES2500) v1_5 August2020
Size: 297 KB Download -
SIN 463 – Openreach backhaul extension services 10000 (BES10000) v1_5 Aug2020
Size: 236 KB Download -
SIN 465 – Openreach WES aggregation service v2 Aug2020
Size: 626 KB Download -
SIN 466 – Openreach network backhaul services V2_4 Aug 2020
Size: 629 KB Download -
SIN 468- Openreach Street Access Service & Interface Description V1_6 Sep 2020
Size: 668 KB Download -
SIN 470 – External NTEs for the PSTN single analogue line interface service and interface description V3_1 Aug 2020
Size: 294 KB Download -
SIN 473-Broadcast Access : 140MBits/s Service and Interface Description V2_2 Sep 2020
Size: 471 KB Download -
SIN 474 – Broadcast Access: 270MBit/s service and interface description v4_1 Jul2020
Size: 449 KB Download -
SIN 475 – Openreach’s 1_485GBit/s Broadcast Access service v4_1 Aug2020
Size: 459 KB Download -
SIN 478- Openreach CCTV Access(uncompressed) Service & Interface Description V1_3 Sep 2020
Size: 263 KB Download -
SIN 479- Openreach CCTV Access (compressed) Service & Interface Description V1_3 Sep 2020
Size: 327 KB Download -
SIN 480- Openreach Ethernet Backhaul Direct(EBD) Service & Interface Description V2_4 Sep 2020
Size: 508 KB Download -
SIN 489 – Optical Spectrum Access v4_9 May2020
Size: 1 MB Download -
SIN 490 – Optical Spectrum Extended Access service and interface description V7_4 Jul 2020
Size: 605 KB Download -
SIN 492- Ethernet Access Direct (EAD) inc EAD Enable and Ethernet Access Direct Local Access Service & Interface Description V2_1 Nov 2020
Size: 818 KB Download -
SIN 498 – Generic Ethernet Access Fibre to the Cabinet (GEA-FTTC) V7_7 Sep 2020
Size: 2 MB Download -
SIN 503-Generic Ethernet Access Multicast V1_6 May 2020
Size: 391 KB Download -
SIN 506 – Fibre to the Premises (FTTP) Generic Ethernet Access V1_8 Jun 2020
Size: 961 KB Download -
SIN 507 – Openreach’s 3GBit/s Broadcast Access service v3_1 August2020
Size: 381 KB Download -
SIN 508- Openreach Time Division Multiplex Access Bearer Services(TDM ACCESS) Service Description
Size: 422 KB Download -
SIN 514-Optical Spectrum Extended Access 6500 (OSEA 6500) including FIlter Connect v1_9 Jan2021
Size: 1 MB Download -
SIN 515- Optical Spectrum Access(Hub and Spoke, Service & Interface Description)
Size: 1 MB Download -
SIN 517- Single Order Generic Ethernet Access (SOGEA) over VDSL2 and G.fast Service & Interface Description V3_0 Nov 2020
Size: 2 MB Download -
SIN 519 – Ethernet Access Direct (EAD) 10000 V2_3 Apr 2020
Size: 744 KB Download -
SIN 524 – 1Gbps Street Access Service Trail Product V1_1 Aug 2020
Size: 483 KB Download -
SIN 525 – Dark Fibre X (DFX) technical information for suppliers V2_1 May 2020
Size: 728 KB Download -
SIN 526 – 1 Gbps SyncE/PTP Street Access Trial Product v1_1 Aug2020
Size: 774 KB Download -
SIN 527 – Generic Ethernet Access Gfast (GEA-Gfast) V1_1 May 2020
Size: 2 MB Download -
SIN 528 – Street Access 1Gbps Sync Product v1_3 March2021
Size: 942 KB Download -
SIN 1001 - Ethernet Cablelink v1_1 04 March2021
Size: 868 KB Download -
SIN 1002 - OSEA FC Lite V1 24 Feb 2021
Size: 720 KB Download
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