I'm new to 3cx so here goes. Installed 3CX last night and now have everything working correctly - inbound and outbound using Viatalk as my SIP provider. Configured 3 extensions, two using 3CXphone and one with Cisco 7912. As stated, inbound and outbound, as well as extension to extension work great. But, when I try to return a missed call using 3CXphone (using the missed call icon) I get the following error: 11:49:36.281 [CM503020]: Normal call termination. Reason: Not found 11:49:36.281 [CM503016]: Call(37): Attempt to reach <sip:1XXXXXXXXX@192.168.1.30:5060> failed. Reason: Not Found 11:49:36.265 [CM503014]: Call(37): No known route to target: <sip:1XXXXXXXXXX@192.168.1.30:5060> 11:49:36.265 [CM503010]: Making route(s) to <sip:1XXXXXXXXXX@192.168.1.30:5060> 11:49:36.250 [CM505001]: Ext.100: Device info: Device Identified: [Man: 3CX Ltd.;Mod: 3CXVoipPhone;Rev: General] Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [3CXVoipPhone 4.0.9878.0] PBX contact: [sip:email@example.com:5060] 11:49:36.234 [CM503001]: Call(37): Incoming call from Ext.100 to <sip:1XXXXXXXXXX@192.168.1.30:5060> It appears that I am missing a "9" so no outbound route is found. It works fine if I dial the number from the number pad - using a "9" in front of the missed number. What am I overlooking??? Thanks much.