What is sip

 SIP, short for Session Initiation Protocol, is a communication protocol used to initiate, maintain, and terminate real-time multimedia communication sessions. These sessions can include voice, video, messaging, and other forms of communication over IP networks.


Key Features of SIP:

Voice over IP (VoIP): SIP is commonly used in VoIP systems to establish and manage voice calls over the internet.

Device Interoperability: It enables communication between devices like IP phones, computers, and mobile devices.

Flexibility: SIP supports a variety of media types, including voice, video, and instant messaging.

Session Control: It manages call setup, modification (e.g., adding video), and termination.

Common Applications:

VoIP telephony

Video conferencing

Unified communication platforms

Internet-based messaging

SIP works with other protocols like RTP (Real-time Transport Protocol) to handle the actual transmission of media during a session.













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