[Asterisk-Users] I can't get a two way conversation going?

[Leif Madsen]

I have tried both G711u and GSM codecs, and I get the same problem with
both. The asterisk computer is running a TD20B card with two phones
attached.  I call from my laptop with a microphone to the asterisk box.
Phone rings, I answer and the call doesn't drop.  I can talk into the
phone and hear myself on the laptop, but I am unable to get the sound
coming into the laptop on the microphone to be heard by the phone
attached to the asterisk box.

I am wondering what could be causing this lack of two way communication.
I am calling the asterisk box with xlite and FWD.

Any ideas of what I should be looking for?

Thanks,

BTW:  Neither are behind a NAT.  Both computers have external IP
addresses.  No firewalls enabled.

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Leif Madsen - Telecommunications Technology