[asterisk-bugs] [JIRA] (ASTERISK-27674) chan_sip: RTP framing issues on outgoing calls

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=242194#comment-242194 ] 

Asterisk Team commented on ASTERISK-27674:
------------------------------------------

The module you are reporting the issue against is no longer supported as a core module but your issue is in the queue. Your patience is appreciated as a community developer may work the issue when time and resources become available.

Asterisk is an open source project and community members work the issues on a voluntary basis. You are welcome to develop your own patches and submit them to the project.[1]

If you are not a programmer and you are in a hurry to see a patch provided then you might try rallying support on the Asterisk users mailing list or forums.[2] Another alternative is offering a bug bounty on the asterisk-dev mailing list.[3] Often a little incentive can go a long way.

[1]: https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process
[2]: http://www.asterisk.org/community/discuss
[3]: https://wiki.asterisk.org/wiki/display/AST/Asterisk+Bug+Bounties

> chan_sip: RTP framing issues on outgoing calls
> ----------------------------------------------
>
>                 Key: ASTERISK-27674
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27674
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 14.7.4, 15.2.1
>            Reporter: Jean Aunis - Prescom
>
> When placing outgoing calls with chan_sip, RTP packetization time is not honoured, whether it is received from the remote endpoint in an SDP "ptime" attribute, or it is forced by configuration in the "allow" line.
> *Case 1 : ptime received from the remote endpoint*
> Given I have configured a peer with "autoframing=yes"
> When the peer replies to an INVITE with an SDP containing "a=ptime:40"
> Then RTP is still sent with a packetization time of 20 ms
> *Case 2 : packetization configured in sip.conf*
> Given I have configured a peer with "allow=alaw:40"
> When the peer replies to an INVITE without specifying "ptime"
> Then RTP is still sent with a packetization time of 20 ms
> Please note that the outgoing INVITE contains the proper "ptime" attribute in the SDP, the only problem is the RTP packetization.



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