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It
is a time of great change and opportunity in the telecoms industry
with the move from narrowband to broadband and the advent of convergence.
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SIN
354 has been amended in order to update the tables that indicate the availabilities
of Supplementary Service on different types of exchange. Edits have also
been made in the main text to take account of the previously notified
service withdrawals (ie Direct Dialling In, 1471 Extra, Meter Pulse Facility
and Night Busying - 30k Ohm Key Control).
Published 31/12/08
SIN 472 Issue 1.2: BT Wholesale Broadband Connect (WBC) Products, Service Description
SIN
472 has been refreshed in order to reflect the WBC product's current position,
and also to highlight various changes planned for the future.
SIN 482 Issue 1.4: BT IPstream Connect, Service Description
SIN
482 has been amended in order to correct wording in Section 3.3.2. References
to "aggregated billing" have been replaced by "node billing".
Published 19/12/08
SIN 133 Issue 5.0: The BT Cardway Service - Service Description
SIN
133 has been amended to include information on GPRS (General Packet Radio
Service) and IP (Internet Protocol) connectivity.
SIN 353 Issue 3.0: BT Public Switched Telephone Network (PSTN): Technical Characteristics Of The Direct Dialling In (DDI) Analogue Line Interface
SIN
353 has been removed. It was previously marked for withdrawal and has
now time expired.
Published 10/12/08
SIN 489 Issue 1.0: Optical Spectrum Access, Service & Interface Description
SIN
489 introduces the Openreach Optical Spectrum Access (OSA) service and
its interfaces. OSA is an end-to-end wavelength service between two sites
delivered over Openreach provided fibre infrastructure using DWDM (Dense
Wavelength Division Multiplexing). It will be available for new supply
from 1 January 2009.
SIN 490 Issue 1.0: Optical Spectrum Extended Access, Service & Interface Description
SIN
490 introduces the Openreach Optical Spectrum Extended Access (OSEA) service
and its interfaces. OSEA is an end-to-end wavelength service between sites
delivered over Openreach provided fibre infrastructure using DWDM (Dense
Wavelength Division Multiplexing). It will be available for new supply
from 1 January 2009.
SIN 470 Issue 1.0: External NTE for the PSTN Single Analogue Line Interface, Service & Interface Description
SIN
470 replaces the previous Suppliers' Trial Information Note (STIN 470).
References to the trial have been removed, but no material change has
been made to the interface specifications.
Published 4/12/08
SIN 482 Issue 1.3: BT IPstream Connect - Service Description
SIN
482 has been amended in order to include a new section "IPstream
Connect Diagnostic Options". This section provides clarity on existing
test & diagnostic considerations, and does not introduce any new features.
Published 19/11/08
SIN 278 Issue 1.6: Enhanced Information Service for Emergency Calls, Service Description
New
formats have been added to SIN 278 in order to support the integration
of Telematics service. There have also been some editorial amendments
for clarity.
Published 18/11/08
SIN 227 Issue 3.5: CDS Calling Line Identification Service, Service Description
SIN
227 has been amended in order to provide clarification on compatibility
with Bellcore CLASS specifications.
Published 21/10/08
SIN
431 has been amended in order to include an optional new product feature
called 'User Link Loss Forwarding'. This feature does not change the operation
of the product, but it does provide the CP with an indication of equipment
failure at the remote end by sending a signal back across the WES circuit.
SIN
433 has been amended in order to include an optional new product feature
called 'User Link Loss Forwarding'. This feature does not change the operation
of the product, but it does provide the CP with an indication of equipment
failure at the remote end by sending a signal back across the WES circuit.
SIN 436 Issue 1.6: Openreach Wholesale Extension Service 1000 LAN & 1000ER (WES 1000 LAN, WES1000ER), Wholesale End to End Extension Service 1000 & 1000 ER (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 order to include an optional new product feature
called 'User Link Loss Forwarding'. This feature does not change the operation
of the product, but it does provide the CP with an indication of equipment
failure at the remote end by sending a signal back across the WES circuit.
Published 13/10/08
SIN 488 Issue 1.0 - Synchronisation - Recommended Settings for Customer Premises Equipment
SIN
488 describes the recommended synchronisation configurations for Customers
Premises Equipment (CPE) when utilising the BT fixed network, i.e. via
the metallic or optical local loop.
Published 3/10/08