I am confused about SIP timeouts on USG 20.
I use an old router (as Client), which creates an ISDN S0-bus.
This Router gives me the option to hold port forwarding active every 30s, 1min, 2min or 5min.
The result is, 1min is ok, but with 2min I can't reach the telephones from outside.
My USG settings are on the Picture. Is this 1min limit at an other place of the router?
Second question: Can I improve the Setting? Normal use of phone and FAX, no Kids.
The old router gives my also the chance to give SIP-packets and RTP-packets a "numerical"? value. There are such values in USG, which help to force this packets?
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