Have Bell DSL (2 Wire modem) and Grandstream HT702. Have setup according to guides available.
Right now I can place and recieve calls but only have outgoing voice.
The incoming voice is missing. I tewsted with both cell phone and exiting landline.
It also does not matter if the call originates from HT702 or terminates at HT702, there is no incoming sound.
The phone works since I can hear dial tone and dtmf.
I believe I need the `force registration` fix I read about all over the forums.
I am sure all the ports are opened on the router.
Thanks in advance