[OpenSIPS-Users] Call-ID changing on re-registration
Alexey Kazantsev
kurgan-rus at inbox.ru
Wed Jul 7 08:29:09 EST 2021
Hello,
maybe the second parameter (‘contact’) of the ‘is_contact_registered’ function [1] could be useful?
And speaking about Expires: 0 — according to SIP RFC [2] it’s absolutely normal,
it means tat a device disables its registration, this is done either by sending Expires: 0 SIP header,
or by adding ;expires=0 as a parameter to the Contact header.
[1] https://opensips.org/docs/modules/3.1.x/registrar.html#func_is_contact_registered
[2] https://datatracker.ietf.org/doc/html/rfc3261#section-10.3
-----------------------------------------------
BR, Alexey
http://alexeyka.zantsev.com/
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