Full SIP course at https://telcomaglobal.com/p/sip-session-initiation-protocol The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating real-time sessions that include voice, video and messaging applications. | Telcoma Global | Facebook

Session Initiation Protocol (SIP) - Learning VoIP and Unified Communications Video Tutorial | LinkedIn Learning, formerly Lynda.com

Session Initiation Protocol (SIP) - SlideServe

What Is Session Initiation Protocol (SIP) & How It Works?

What Is SIP and Why Does it Matter?

What is Session Initiation Protocol (SIP)? A definition from WhatIs.com