Before kissing TDM voice goodbye, make sure sellers keep their pricing and performance promises, and that you don't put your network or its economics at risk. Here's how. SIP trunking (VoIP based on ...

What's VoIP's Big Security Problem? SIP Session Initiation Protocol (SIP) is a must for voice over IP (VoIP) communication. But by itself, SIP is insecure and easily hacked. Here's what you need to ...

How To Set Up Free SIP Calling On Any Device Your email has been sent Most people communicating on the internet are using SIP calling. Here’s how to make free SIP calls — and when you shouldn’t.

Chances are, your users haven't heard of Session Initiation Protocol (SIP) outside of any meetings you may have had with them concerning your company's telecommunications. But, in fact, SIP is ...