PRETS 300 745-2 : APR 97
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - MESSAGE WAITING INDICATION (MWI) SUPPLEMENTARY SERVICE - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL - PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) PROFORMA SPECIFICATION
23-07-2013
12-01-2013
MWI is used to support (voice) mail systems in the ISDN UNI layer 3 signalling protocol for supplementary services and makes it possible to indicate that (voice) mail is available to the intended recipient.
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