CSCF Insights | Sumble

What is CSCF?

CSCF typically refers to Call Session Control Function in the context of the IP Multimedia Subsystem (IMS) network architecture. It is a central component responsible for call control and session management. CSCF handles signaling protocols like SIP (Session Initiation Protocol) to establish, modify, and terminate multimedia sessions, providing services like voice and video calls, instant messaging, and presence.

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What other technologies are related to CSCF?

CSCF Complementary Technologies

MGW

Media Gateway (MGW) provides the interface between circuit-switched and packet-switched networks in IMS. It is a necessary component for voice and multimedia services and thus complements the CSCF.

mentioned alongside CSCF in 31% (93) of relevant job posts

MTAS

Multimedia Telephony Application Server (MTAS) hosts and executes multimedia telephony applications. MTAS works with CSCF to route calls, which makes it complementary.

mentioned alongside CSCF in 45% (59) of relevant job posts

HSS

Home Subscriber Server (HSS) is the master user database for IMS and contains subscription-related information. CSCF uses the HSS to authenticate and authorize users, making it a complementary technology.

mentioned alongside CSCF in 11% (109) of relevant job posts