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 ...

I just got a Zyxel Modem from Century Link and 5 usable Static IPs in a block of 8. I configured the modem for "transparent bridging" and configured the PPOE credentials on a DD-WRT router and now it ...

Configure an end user in CUCM administration first. When configuring the SIP third-party phone (basic or advanced), the end user previously configured will be associated to the phone as the digest ...

When a network router doesn't have enough network ports to connect all the necessary devices, a switch can be used to add additional ports. In the case of business networks, switches are often ...