[asterisk-bugs] [JIRA] (ASTERISK-25539) 488 Not acceptable here sent after T.38 re-invite accepted

Joshua Colp (JIRA) noreply at issues.asterisk.org
Wed Nov 11 05:49:33 CST 2015


     [ https://issues.asterisk.org/jira/browse/ASTERISK-25539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp closed ASTERISK-25539.
----------------------------------

    Resolution: Suspended

> 488 Not acceptable here sent after T.38 re-invite accepted
> ----------------------------------------------------------
>
>                 Key: ASTERISK-25539
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25539
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.22.0
>         Environment: Debian 6.0.7, 64 bit.
>            Reporter: David Cunningham
>         Attachments: ticket-3992-asterisk-2.log.gz
>
>
> We have an issue where:
> 14:19:08 Fax machine makes call to Asterisk
> 14:19:08 Asterisk dials SIP termination provider
> 14:19:23 SIP termination provider accepts call
> 14:19:28 SIP termination provider sends T.38 re-invite
> 14:19:28 Asterisk sends T.38 re-invite to fax machine
> 14:19:28 Fax machine accepts re-invite
> 14:19:33 Asterisk appears to do nothing for 5 seconds and then sends "488 Not acceptable here" to SIP termination provider
> This is in the attached Asterisk trace, where the call from the fax machine has ID BC3FB901-81AF11E5-8D388D32-AD053ED at BB.BB.46.68 and the call to the SIP termination provider has ID 026a9cbd104dbb311dc9963a05702766 at AA.AA.224.228:5060.
> Could you please advise why after getting the 200 OK at 14:19:28 it takes 5 seconds for Asterisk to send the "488 Not acceptable here", and why the 488 is sent?
> I notice there are a lot of "Bridge still active.  Delaying destroy of SIP dialog" messages relating this call, but I think they're harmless?
> Thanks for your help.



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