[asterisk-bugs] [JIRA] (ASTERISK-25568) [patch]180 Ringing not sent after 183 Session Progress

Rusty Newton (JIRA) noreply at issues.asterisk.org
Mon Nov 23 18:34:33 CST 2015


     [ https://issues.asterisk.org/jira/browse/ASTERISK-25568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-25568:
------------------------------------

    Summary: [patch]180 Ringing not sent after 183 Session Progress  (was: 180 Ringing not sent after 183 Session Progress)

> [patch]180 Ringing not sent after 183 Session Progress
> ------------------------------------------------------
>
>                 Key: ASTERISK-25568
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25568
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 13.6.0
>            Reporter: Morten Tryfoss
>            Assignee: Unassigned
>            Severity: Minor
>         Attachments: chan_sip.patch
>
>
> We've got a simple scenario with a SIP call through Asterisk.
> sip.conf
> progressinband=no (default setting)
> The remote switch sends a 100 Trying and a 183 Session Progress immediately after we send the INVITE. When the remote destination starts ringing (CPG received on ISUP-side of the switch), the switch sends a 180 Ringing to Asterisk. This is not forwarded to the other side, which I think is wrong.
> This can cause lack of ringback tone or wrongly mapped release causes in the originating switch. For example, a 480 temp unavailable is mapped to "20 - subscriber absent" if it has not started to ring, or "19 - no answer from user" if it has.
> The attached patch solves the problem for me.



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