ArduinoVoip
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Arduino voip Library, Use sip protocol
Hi Rousir, I would like use your the project to develop some functions, to use Grandstream UCM62xx and Asterisk FreePBX Please, could you upload a image of mic and DAC...
if make first call, get IN Code = SIP/2.0 401 Unauthorized (destination phone ringing), after OK, automatic hangup. but 2nd call normal, get ringing..
if incoming call accepted, cannot get cancel if caller hang up the call.