[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=242193#comment-242193 ] 

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

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> 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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