Protocol
Q.931
DSS1 · ISDN Layer 3
ISDN user-network call control: SETUP, CALL PROCEEDING, ALERTING, CONNECT, DISCONNECT, RELEASE. Information elements carry bearer capability, numbers, and channel IDs on the D-channel.
Tags
isdnd-channelcall-controliedss1
Sources
- ITU-T Q.931
- National ISDN / ETSI EN 300 403 variants
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