I installed an a2billing test server behind a nat and configured the sip.conf externip to my public IP and localnet properly. I placed the asterisk as the DMZ.
I also have a register DID with service provider to call into the box from the public pstn. The system works fine, I am able to enter the pin and destination number and call is routed to my gateway at my colo. But the orginating phone, my cell phone, keeps ringing but asterisk bridge the call to my gateway. Why does my cell phone which orginated the call keeps ringing? Can someone help?
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