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Q.931

Q.931

Name: Q.931

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Language: English

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ITU-T Recommendation Q is the ITU standard ISDN connection control signalling protocol, forming part of Digital Subscriber Signalling System No. 1. 2 Oct In force components. Number, Title, Status. Q (05/98), ISDN user-network interface layer 3 specification for basic call control. 1 Aug Q ISDN user-network interface layer 3 specification for basic call control. Recommendation Q (05/98). Approved in

Q (also called Q) is a signaling protocol for Integrated Services Digital Network (ISDN) communications that is used in voice over IP (VoIP). The Q Q and TCP/IP work at different layers and share few features. Q has reliable layers but does not provide retransmission or flow control. Q frame. Q is a communications protocol for bidirectional switch-to-switch communications in an ISDN network. The Q protocol was a breakthrough technology in.

9 Mar Q was originally used as the call control protocol for ISDN. It is also used for VoIP; when used for VoIP, it's usually transported atop TPKT. Q is an ISDN connection control protocol, roughly comparable to TCP in the Internet protocol stack. ISDN tutorial examining the operation of the Q and Q protocols, the interaction with PPP, the D-channel, B-channel, basic rate interface and primary rate. English[edit]. Abbreviation[edit]. Wikipedia has an article on: Q · Wikipedia. Q An ISDN connection protocol somewhat similar to TCP. Retrieved from. 5 Oct We have activated pri debugging in asterisk and the Q (isdn signaling protocol) is now exposed. Looking at the sequence. of message.

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