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I have VOIP configured with FXO and FXS,now I can plar from FXO to FXS but when I plar from FXS to FXO I can call in a few second and it will disconnect line.please sugguest me.FXS configcall rsvp-sync!voice-port 2/0 input gain 8 description 8001!vo...
before I config that you suggest,I try to test by connect the phone direct to FXS port.It can use plarand call doesn't disconnect.It will have problem with plar when FXS use PBX.What is parameter to tuning?How to check it? Thank you.
