[asterisk-bugs] [JIRA] (PRI-171) Timer T202

[Richard Mudgett (JIRA)]

     [ https://issues.asterisk.org/jira/browse/PRI-171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Mudgett closed PRI-171.
-------------------------------

    Resolution: Fixed

> Timer T202
> ----------
>
>                 Key: PRI-171
>                 URL: https://issues.asterisk.org/jira/browse/PRI-171
>             Project: LibPRI
>          Issue Type: Bug
>      Security Level: None
>            Reporter: dcolombo
>            Assignee: Richard Mudgett
>
> Default value in libpri.c (ctrl->timers[PRI_TIMER_T202]) is 10 secs but as
> Recommendation Q.921 (section 5.9.7) says: "T202 shall be set to 2 seconds".
> This value (10 secs) can also bring other problems, for example, making an outgoing call with layer 1 deactivated (ptmp) starting from unassigned TEI state:
> - q931 sends SETUP message and starts T303
> - q921 can't send TEI Identity request message and starts T202 (layer 1 deactivated), layer 1 is activated
> - after 4 secs T303 expires,  q931 sends  second SETUP message and starts T303
> - after 4 secs T303 expires,  second expiry, abort call 
> - T202 expires,  TEI Identity request message sent
> - TEI assigned but call aborted



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