IP Telephony PBX PBA Doha Qatar Protocols

IP Telephony PBX PBA Doha Qatar Protocols
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Session Initiation Protocol (SIP) is a signalling protocol which establishes a ësessioní between two or more participants.
Similar to the SIP protocol, H.323 boasts the same functionality. The H.323 protocol is used for the initiation, modification and termination of a session.
Real-time Transport Protocol (RTP)
This protocol features a packet format for the transmission of audio or video in packet format across the internet. This is mostly employed for streaming television services, video conferences, and voice media.
Real-Time Transport Control Protocol (RTCP)
This protocol works in tandem with RTP and is defined in RFC 3550. It is the protocol accountable for transmitting control packets the respective recipients of a call.
Secure Real-time Transport Protocol (SRTP)
Secure Real-time Transport Protocol is defined as RFC 3711 and is used for WebRTC technology as one of the security protocols, adding security elements such as message authentication and confidentiality.
Session Description Protocol (SDP)
Published as RFC 4566, SDP is the internet protocol standard of defining the type of multimedia communication session for session announcements and invitations. This protocol is commonly used in support of streaming video conferences and voice over IP application.

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