How it's used: Session Initiation Protocol (SIP) manages communications sessions across an IP network. It locates participants for a session using a user's SIP URL (similar to an e-mail address), ...
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 ...