SIP Insights | Sumble

What is SIP?

Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating real-time communication sessions including voice, video, and messaging applications. It is commonly used in VoIP (Voice over Internet Protocol) systems for call control and signaling.

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What other technologies are related to SIP?

SIP Competitor Technologies

H.323

H.323 is another VoIP protocol suite that competes with SIP for establishing and managing multimedia communication sessions.

mentioned alongside SIP in 91% (3.8k) of relevant job posts

MGCP

Media Gateway Control Protocol (MGCP) is a VoIP protocol that competes with SIP by using a different architecture for controlling media gateways.

mentioned alongside SIP in 92% (2.1k) of relevant job posts

H323

H323 is another VoIP protocol suite that competes with SIP for establishing and managing multimedia communication sessions.

mentioned alongside SIP in 92% (1.1k) of relevant job posts

WebRTC

WebRTC is a technology that enables real-time communication directly in web browsers, offering an alternative to SIP-based solutions.

mentioned alongside SIP in 28% (2.6k) of relevant job posts

PRI

Primary Rate Interface (PRI) is a telecommunications interface used on an Integrated Services Digital Network (ISDN) for carrying multiple voice and data transmissions between a network and a user. Competing technology to SIP trunks.

mentioned alongside SIP in 47% (1.6k) of relevant job posts

SS7

Signaling System No. 7 (SS7) is a signaling protocol traditionally used in circuit-switched telephone networks. SIP provides similar functionality in IP networks.

mentioned alongside SIP in 49% (1.4k) of relevant job posts

ISDN

Integrated Services Digital Network (ISDN) is a circuit-switched telephone network system. SIP is used for IP based networks.

mentioned alongside SIP in 37% (1.2k) of relevant job posts

SCCP

Skinny Client Control Protocol (SCCP) is a proprietary Cisco protocol similar in function to SIP, but not interoperable without gateways.

mentioned alongside SIP in 78% (565) of relevant job posts

SIP Complementary Technologies

RTP

Real-time Transport Protocol (RTP) is used with SIP to transport the actual audio and video data during a communication session.

mentioned alongside SIP in 59% (4.7k) of relevant job posts

Asterisk

Asterisk is an open-source PBX software that can use SIP as one of its communication protocols.

mentioned alongside SIP in 40% (1.8k) of relevant job posts

SRTP

Secure Real-time Transport Protocol (SRTP) provides encryption and authentication for RTP streams, and is often used with SIP to secure VoIP communications.

mentioned alongside SIP in 79% (692) of relevant job posts