NEN EN 300426 : 2004
Current
Current
The latest, up-to-date edition.
PRIVATE INTEGRATED SERVICES NETWORK (PISN) - INTER-EXCHANGE SIGNALLING PROTOCOL - CALL INTRUSION SUPPLEMENTARY SERVICE
Published date
12-01-2013
Publisher
Describes the Q interface Signalling protocol (QSIG) for use at the Q reference point in support of the Call Intrusion Supplementary Service.
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