Hmm, What a weird problem. Sollution is this: When I've disabled this firewall, everything is fine.

Hi Marvin, Everything is fine, I can make outbound calls also incoming calls are received. The only problem is with number of rings - just 2. After that phone doesn't ring but I still can pick it and...

My modem is connected to external provider (crazytel) for sip phone. When I call my number it rings just twice and ringing stops but line is active - I can pick the handset and call is made. Phone is...