TR NWT 000283 : ISSUE 2 SUPP 1

1 Introduction
1.1 General
1.2 Reason for Reissue
1.3 Additional and Related Requirements
1.4 Requirements Terminology
2 Physical Interface
3 Message Protocols
3.1 Messages to the Message Desk
3.1.1 Call History Information Messages
3.1.2 Failure Messages for MWI Control Capability
3.2 Messages From the Message Desk
3.3 Other Considerations
Table 1 Simplified Message Desk Service--Output Messages
Table 2 Simplified Message Desk Service--Input Messages
Fig.1 Example Simplified Message Desk Service Arrangement
Appendix

Bellcore's view of proposed generic requirements for a Simplified Message Desk Interface (SMDI). The SMDI is an analog interface between a local Stored Program Controlled Switching System (SPCS) and customer premises equipment of a Message Storage and Retrieval (MSR) service provider. The document contains requirements for the physical interface as well as for message protocols.