H323 Insights | Sumble

What is H323?

H.323 is a standard from the International Telecommunication Union (ITU) that defines the protocols to provide audio-visual communication sessions on any packet network. It's commonly used for videoconferencing, VoIP (Voice over IP), and internet telephony. It describes how terminals, gateways, and control units interact to provide multimedia communication.

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What other technologies are related to H323?

H323 Competitor Technologies

MGCP

MGCP is a call control protocol like H.323, but uses a different architecture. It's an alternative approach to VoIP signaling.

mentioned alongside H323 in 19% (438) of relevant job posts

SIP

SIP (Session Initiation Protocol) is a competing VoIP signaling protocol to H.323. It is widely adopted and often preferred over H.323 due to its flexibility and scalability.

mentioned alongside H323 in 4% (1.1k) of relevant job posts

SCCP

SCCP (Skinny Client Control Protocol) is a Cisco proprietary protocol, and thus a competitor to H.323. It's a call control protocol.

mentioned alongside H323 in 17% (124) of relevant job posts

H323 Complementary Technologies

Expressway

Cisco Expressway provides secure traversal for media and signaling and can be used alongside H.323 for external communication and collaboration.

mentioned alongside H323 in 12% (71) of relevant job posts

CUCM

Cisco Unified Communications Manager (CUCM) is a call management system that can support H.323 endpoints and integrate with H.323 gateways.

mentioned alongside H323 in 5% (161) of relevant job posts

SRTP

Secure Real-time Transport Protocol (SRTP) provides encryption for media streams. It is a complementary protocol that can be used to secure H.323 communications.

mentioned alongside H323 in 9% (76) of relevant job posts