You should try setting the min expires value, the documentation states that
any values lower than this will be overridden with the minimum you define!
https://opensips.org/html/docs/modules/3.0.x/registrar.html#param_min_expires
On Wed, 17 Mar 2021 at 06:43, Jeffrey Zhao wrote:
> Dear Team
>
>
Dear Team
For legacy Cisco IP phones, the SIP registration expiration time must be set to
less than 120 seconds, and there is no way to control the timer on phone end.
It must be controlled on the SIP registrar end(Expires value set to 120 in
registration reply SIP message).
I am not sure whe
