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sip - asterisk early media audio issue - Stack Overflow
https://stackoverflow.com/questions/21235912/asterisk-early-media-audio-issue
Normally its working fine but due to playback apps, asterisk answer the sip channel and timer of user start that should not be happen. That why I am trying to implement early media option in asterisk. It is working as said but problem occur in audio. I could not hear anything unless user pick the phone. extension.conf. exten => _X.,1,Progress ...
Early Media and the Progress Application - Asterisk ...
https://wiki.asterisk.org/wiki/display/AST/Early+Media+and+the+Progress+Application
Many dialplan applications within Asterisk support a common VOIP feature known as early media. Early Media is most frequently associated with the SIP channel, but it is also a feature of other channel drivers such as H323. In simple situations, any call in Asterisk that is going to involve audio should invoke either Progress () or Answer ().
How to configure Asterisk to send audio before call is ...
https://serverfault.com/questions/381414/how-to-configure-asterisk-to-send-audio-before-call-is-established
Early Media is possible with asterisk, but it needs some knowledge to do so and there is only a limited number of functions that can send early media, Dial by default is not one of them, but you can send Progress() and follow up with a Playback(whateverfile,noanswer) or the "n" Option with Background(), which ever way most carriers will not allow passing audio to a caller before the …
Early Media and Music on Hold | Redial
http://www.itp-redial.com/class/weekly-notes/week4-notes/early-media-and-music-on-hold
Asterisk can set up calls while generating early media. In fact, the “r” flag in the Dial command tells asterisk to generate the necessary tones for the “rrrrring!” audio. exten => s,1,Dial (SIP/flowroute/16466429000,30,r); <--- that "r" flag will generate ringing while Asterisk is …
[asterisk-bugs] [Asterisk 0016212]: Early audio message ...
https://markmail.org/thread/6ehfvsf7holiapom
[asterisk-bugs] [Asterisk 0016212]: Early audio message doesn't play over SIP: From: Asterisk Bug Tracker ([email protected]) Date: Dec 22, 2009 3:00:37 pm: List: com.digium.lists.asterisk-bugs: ... Early audio message doesn't play over SIP Description: We use early audio messages to notify caller about reason why callee isn't reachable ...
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