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I have my asterisk running
I have a SIP trunk working and calls are getting out from my extensions
I have a ZAPtel card working and calls are incomming from the PSTN
I Call from my cellphone and I hear prompts, i enter the PIN number and the phone number (my other cellphone) after that i hear my other cellphone i take the call but there is no voice on any direction.

I think this is a basic setup but for some reason isnt working. I need some help here

Thanks