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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