Protocol

H.225.0

Lab ready Full lab

H.323 call signaling and RAS: Q.931-derived Setup/Alerting/Connect on the Call Signaling Channel plus gatekeeper discovery/registration. RAS is usually UDP; Call Signaling is typically TCP. It works with H.245 for media control inside H.323 systems.

Domains

Tags

h323rasq931gatekeeper

Sources

  • ITU-T H.225.0

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H.323

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ITU umbrella for packet multimedia: H.225.0 call signaling/RAS, H.245 media control, and RTP/RTCP media. Gatekeepers provide admission an…

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H.245

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H.323 multimedia control protocol for capability exchange, master/slave determination, and logical channel open/close. Fast Start and H.2…

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Q.931

Lab ready

ISDN user-network call control: SETUP, CALL PROCEEDING, ALERTING, CONNECT, DISCONNECT, RELEASE. Information elements carry bearer capabil…

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