[asterisk-bugs] [JIRA] (ASTERISK-28208) Missing ringback on outbound call
Michael Maier (JIRA)
noreply at issues.asterisk.org
Wed Dec 12 14:48:47 CST 2018
[ https://issues.asterisk.org/jira/browse/ASTERISK-28208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=245731#comment-245731 ]
Michael Maier commented on ASTERISK-28208:
------------------------------------------
Well, Joshua already commented on this problem here:
http://lists.digium.com/pipermail/asterisk-users/2018-December/293445.html
He already seems to know the problem.
It's impossible for me to reproduce the problem again today to get the trace you like to see.
> Missing ringback on outbound call
> ---------------------------------
>
> Key: ASTERISK-28208
> URL: https://issues.asterisk.org/jira/browse/ASTERISK-28208
> Project: Asterisk
> Issue Type: Bug
> Security Level: None
> Components: pjproject/pjsip
> Affects Versions: 13.23.1
> Environment: Centos 6
> Reporter: Michael Maier
> Labels: pjsip
> Attachments: missing-ringback.pcapng
>
>
> An extension registered at Asterisk 13.23 initiates an external call (pjsip). After the Invite, the
> callee (-> ISP) sends a
> 100 Trying
> 183 Session Progress (*without* SDP)
> Asterisk now sends to the extension:
> 183 Session Progress (*with* SDP)
> 183 Session Progress (*with* SDP) (really two times)
>
> The callee meanwhile sends
> 180 Ringing (*without* SDP)
> which is "forwarded" by Asterisk to the extension with
> 180 Ringing (*with* SDP)
> The problem: The extension doesn't create a ringback locally, because it most probably expects it to
> be sent by the callee - but the callee doesn't send anything (not surprising, because there has been
> no SDP).
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