From 3cx; it reports the status of the pstn (spa 3102) as registered. PSTN Lines 10000 Line No: 1410846xxxx Status: Registered (idle) From spa 3102; it reports the connection to 3cx as registered STN Line Status Hook State: On Line Voltage: 0 (V) Loop Current: 0.0 (mA) Registration State: Registered Last Registration At: 7/15/2008 20:00:08 Next Registration In: 10 s Last Called VoIP Number: Last Called PSTN Number: Last VoIP Caller: Last PSTN Caller: , Last PSTN Disconnect Reason: PSTN Activity Timer: 30000 (ms) Mapped SIP Port: Call Type: However, an inbound call to my house never gets routed to 3cx. I'm probably missing something inane. Thanks for anyones help, Aaron - oh and i've tried 5060 and 5061 for the sip port. I followed the guide diligently but it seems that he had an older firmware than me.