Summary

This document extends the March 1999 Implementors' Guide, which defined additions to the Service Indicator of values for the Signal Processing Network Equipment User Part (SPNEUP) of Q.55 and the AAL type 2 Signalling Transport Converter on Broadband MTP of Q.2150.1. It updated the User Part identities used in the User Part Unavailable message (UPU) in line with the Service Indicator values. It reserved in Q.704 the message codes for the extended changeover order and acknowledgement of Q.2210 broadband MTP. It also corrected some editorial errors in the SDL.

The extensions in this document consist of the allocation of a Service Indicator (decimal 13) to the Bearer Independent Call Control MTP User (Q.1901), and another (decimal 14) to the Media Gateway Control Protocol MTP User (H.248).

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