Message Flows
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(Created page with " ===Incoming Call Setup=== Flow of messages: File:callsetup.png ===Routing=== When a channel detects incoming call(1), it sends call.route(2) to decide where to rou...") |
Revision as of 16:14, 15 November 2012
Contents |
Incoming Call Setup
Flow of messages:
Routing
When a channel detects incoming call(1), it sends call.route(2) to decide where to route it to. The call.route message maps a called number to a call target.
Connecting
When the call target is known, incoming channel attaches its CallEndPoint to call.execute message(4). Recipient should connect its CallEndPoint to CallEndPoint attached to call.execute. While waiting for call acceptance recipient may send call.ringing(6). On call acceptance call.answered(7) is sent.
During the call
During the call chan.dtmf messages(8,9) may be sent in both directions.
Hangup
When incoming channel detects hangup(10) it disconects its CallEndPoint. That results in chan.disconnected and eventually chan.hangup messages(not included in the diagram) sent by both channels.
