Barrett Lyon has created a don't miss resource that shows you how to configure P2P SIP URI (Uniform Resource Identifier) dialing on your Asterisk-based PBX. "There are thousands of people that operate ...

Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco SIP phone by MAC Address. This blog will take a high level look at ...

So I'm running into a situation where address-hiding should be working but is not. Call comes in on port 5060 -->UM Sends back a 302 redirect with the same IP and different port (port will be 506X) ...