[asterisk-bugs] [JIRA] (ASTERISK-21432) Video isn't negotiated when endpoint switches to video on an established SIP to SIP call

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-21432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-21432:
------------------------------------

    Summary: Video isn't negotiated when endpoint switches to video on an established SIP to SIP call  (was: Enabling video during the call does not work.)
    
> Video isn't negotiated when endpoint switches to video on an established SIP to SIP call
> ----------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-21432
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21432
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/CodecHandling, Channels/chan_sip/Video
>    Affects Versions: 11.2.1
>         Environment: Server OS: Ubuntu 12.04.2 LTS
> Client: X-Lite, Jitsi, Linphone
>            Reporter: Nikita Voloshin
>
> How to reproduce:
> Step 1: Start a conversation between users (User 1, User 2)
> Step 2: Try to switch to a video call (User 1)
> Video does not start.
> I Get this string in log:
> "chan_sip.c:13001 add_sdp: This call needs video offers, but caller probably did not offer it!"
> *If after Step 2 I try to start video on User 2 it is work fine.
> **If I do video call at start, it is work fine.
> I think that it is similar to the bug: ASTERISK-14139
> My post on forum: [Video didn't work from the first time.|http://forums.asterisk.org/viewtopic.php?f=1&t=86160]
> Full log: [http://pastebin.com/whqtkqYb]
> Server on public IP
> Client behind NAT, ICE enabled

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