Hello, all. I have a problem I'm trying to work out: when a stateful call goes out from the proxy to the PSTN, the fr_inv_timer will eventually trigger a failure. The thing is, I don't want calls going outside my SIP proxy to have any timer associated with them. I need it for calls to local users so they can fall back to voicemail, but I don't need it for anything else. E.g. if one of my SIP users calls out to a PSTN number and, for whatever reason, wants that call to ring 300 times, the timer in the SIP proxy shouldn't inhibit that ability.
I can get around this by using forward(), but if the SIP user is coming from a NAT'd device, I have to use a t_relay() instead and then I'm stuck with the timer running.
Is there a way around this? Thanks for your help.