[asterisk-bugs] [JIRA] (ASTERISK-25476) chan_sip looses registrations after a while

[Michael Keuter (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Keuter updated ASTERISK-25476:
--------------------------------------

    Component/s:     (was: Channels/chan_sip/Registration)
                 Channels/chan_sip/General

> chan_sip looses registrations after a while
> -------------------------------------------
>
>                 Key: ASTERISK-25476
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25476
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 11.20.0
>         Environment: AstLinux 1.2.4, Linux 3.2.66, x86 32bit
>            Reporter: Michael Keuter
>         Attachments: 11.20.0-SIP-options.txt
>
>
> In Asterisk 11.20.0 chan_sip looses registrations of some IP-phones on several systems after a while. In Asterisk the phone then shows "unreachable", while the phone's status shows "Registered". Reverting back to Asterisk 11.19.0 solves the problem. The phones are mostly Yealink phones, different models with different firmwares on different systems, none of the phones was recently upgraded. Dis-/enbling the phone's SIP account or rebooting the phone makes it work again for a while, but then the qualify fails again and Asterisk shows the phone again as unreachable.
> I attach a SIP trace of a Yealink W52P DECT base with 2 handsets (331/332). "qualify=yes" is enabled, after a while Asterisk stops sending Option packets to ext. 331 while keeps sending packets to 332.



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