[asterisk-bugs] [JIRA] (ASTERISK-26052) Asterisk hangs with a T.38 call

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=230739#comment-230739 ] 

Asterisk Team commented on ASTERISK-26052:
------------------------------------------

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].

> Asterisk hangs with a T.38 call
> -------------------------------
>
>                 Key: ASTERISK-26052
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26052
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General, Channels/chan_sip/T.38
>    Affects Versions: 11.6.0
>         Environment: Ubuntu 14.04.04 LTS
> VMWare Host
>            Reporter: Max Hofmann
>
> Setup: ipv4 and ipv6 environment
> 1. Faxcall comes from an Asterisk 11.6 cert 11 with UDPTL to another Asterisk 11.6 cert 13 over ipv4. (Works!)
> 2. Asterisk 11.6 cert 13 calls a FritzBox over ipv6. 
> On the FritzBox are no FAX devices connected, only phones.
> 3. The Phone behind the FritzBox is ringing and after offhook asterisk bridge the with UDPTL and asterisk begin to hang.
> We se that the RecvQ get full:
> udp6  213248      0 :::5060                 :::*                                2180/asterisk
> udp6  213248      0 :::17832                :::*                                2180/asterisk
> udp6   51648      0 :::17833                :::*                                2180/asterisk
> udp6  213248      0 :::17910                :::*                                2180/asterisk
> udp6       0      0 :::4140                 :::*                                2180/asterisk



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