[asterisk-bugs] [JIRA] (ASTERISK-20643) icesupport failed to extend

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=199168#comment-199168 ] 

Joshua Colp commented on ASTERISK-20643:
----------------------------------------

There's no memory leak here but what is happening is that there are enough possible ICE candidates to create a very large SDP, that can't even be sent using UDP. Since you aren't using ICE for SIP you can disable it in your sip.conf in the general section using "icesupport=no". This will disable ICE support just for SIP but allow it to continue to work for Motif.

Rusty: I'm leaving this issue open on purpose so we can remove this hardcoded limitation on SDP size, make ICE support disabled by default in *SIP*, and also maybe provide a better warning message.
                
> icesupport failed to extend
> ---------------------------
>
>                 Key: ASTERISK-20643
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20643
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 11.0.0
>         Environment: Red Hat Linux 5
>            Reporter: Roy
>            Severity: Minor
>
> I'm using google xmpp and motif and when I turn on icesupport=yes in rtp.conf I get these "failed to extend" errors evertime a SIP call connects followed by a SIP SDP may be truncated due to undersized buffer!!
> If I turn off icesupport and not use google.  Errors go away.
> It doesn't seem to effect the call but I'm afraid there might be a memory leak or something.
> failed to extend from 1024 to 1298
> failed to extend from 1024 to 1342
> failed to extend from 1024 to 1311
> failed to extend from 1024 to 1306
> failed to extend from 1024 to 1298
> failed to extend from 1024 to 1344
> failed to extend from 1024 to 1313
> failed to extend from 1024 to 1308
> failed to extend from 1024 to 1301
> failed to extend from 1024 to 1298
> failed to extend from 1024 to 1344
> failed to extend from 1024 to 1313
> failed to extend from 1024 to 1308
> failed to extend from 1024 to 1301
> failed to extend from 1024 to 1298
> failed to extend from 1024 to 1344
> failed to extend from 1024 to 1313
> failed to extend from 1024 to 1308
> failed to extend from 1024 to 1301
> failed to extend from 1024 to 1298
> [2012-11-01 18:28:01] WARNING[20396][C-00000012]: chan_sip.c:12883 add_sdp: SIP SDP may be truncated due to undersized buffer!!

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