NixBure

Hi I tried every thing to run Axon PBX with a Linksys SPA3102. The SPA registers ok, but I have 2 main problems: First, when i made a call from a softphone to a PSTN Line, the other side doesnt hear anything Second, When I made a call from a PSTN to the PSTN Line that have the SPA conected it doesnt transfer the call, only the Line LED Blinks and keep ringing. Could any one help me with this?