[asterisk-bugs] [JIRA] (ASTERISK-20781) One leg of the call is locked when a session timer below 60 is received by the asterisk.

[Everson Pereira (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Everson Pereira updated ASTERISK-20781:
---------------------------------------

    Attachment: ngrep.txt
                full
                console.txt

An example of an INVITE. The call is not completed, and even after hangup, when I run the command "core show channels", a call is locked.
                
> One leg of the call is locked when a session timer below 60 is received by the asterisk.
> ----------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20781
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20781
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.19.0, 10.9.0
>            Reporter: Everson Pereira
>            Assignee: Mark Michelson
>            Severity: Critical
>         Attachments: console.txt, full, ngrep.txt, uac-session-timer.xml
>
>
> When Asterisk receives an INVITE from a client a session timer with less than 60 seconds, asterisk rejects the call, but the call leg is locked and when you use the command core show channels the call is listed even though it was rejected.
> If I change the line 28751, line 29760 in chan_sip.c(as shown below) and set session-minse=1 in sip.conf the problem no longer occurs.
> if (peer->stimer.st_min_se < 90) {
> to if (peer->stimer.st_min_se < 1) {
> and
> if (global_min_se < 90) {
> to if (global_min_se < 1) {

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