The Session Initiation Protocol (SIP) is a signaling protocol used to provoke, modify, and terminate classes in an Web Protocol (IP) community. It’s a text-based protocol that makes use of a client-server mannequin, the place a consumer sends a request to a server and the server responds with a response. SIP is used to ascertain and handle classes for a wide range of functions, together with voice over IP (VoIP), video conferencing, and prompt messaging.
SIP is a vital protocol as a result of it gives a typical strategy to set up and handle classes between completely different units and functions. It is usually a really versatile protocol that can be utilized to assist a wide range of completely different session sorts. SIP has been broadly adopted by each service suppliers and enterprises, and it’s now the de facto customary for VoIP and different real-time communications functions.