Call Session Control Function

E524103
IP Multimedia Subsystem network function core network element

The Call Session Control Function (CSCF) is a core IP Multimedia Subsystem (IMS) network element responsible for controlling SIP signaling, managing user sessions, and enforcing service policies in next-generation telecommunication networks.

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Statements (49)

Predicate Object
instanceOf IP Multimedia Subsystem network function ⓘ
core network element ⓘ
abbreviation CSCF ⓘ
communicatesWith HSS NERFINISHED ⓘ
Home Subscriber Server NERFINISHED ⓘ
MRF NERFINISHED ⓘ
Media Resource Function NERFINISHED ⓘ
PCRF NERFINISHED ⓘ
Policy and Charging Rules Function NERFINISHED ⓘ
application server ⓘ
definedBy 3GPP NERFINISHED ⓘ
domain mobile networks ⓘ
telecommunications ⓘ
hasComponentType E-CSCF NERFINISHED ⓘ
Emergency-CSCF NERFINISHED ⓘ
I-CSCF NERFINISHED ⓘ
Interrogating-CSCF NERFINISHED ⓘ
P-CSCF NERFINISHED ⓘ
Proxy-CSCF NERFINISHED ⓘ
S-CSCF NERFINISHED ⓘ
Serving-CSCF NERFINISHED ⓘ
hasRole controls SIP signaling ⓘ
enforces service policies ⓘ
handles registration of IMS users ⓘ
interacts with application servers ⓘ
manages user sessions ⓘ
routes SIP messages ⓘ
implements policy enforcement ⓘ
service triggering ⓘ
session control ⓘ
user authentication ⓘ
user authorization ⓘ
partOf IMS core network ⓘ
IP Multimedia Subsystem NERFINISHED ⓘ
standardizedIn 3GPP TS 23.228 NERFINISHED ⓘ
3GPP TS 24.229 NERFINISHED ⓘ
supportsService VoLTE NERFINISHED ⓘ
VoWiFi ⓘ
messaging services ⓘ
multimedia telephony ⓘ
presence services ⓘ
video calling ⓘ
voice over LTE ⓘ
voice over WiFi ⓘ
usedIn 5G networks ⓘ
LTE networks ⓘ
next-generation telecommunication networks ⓘ
usesProtocol SIP ⓘ
Session Initiation Protocol ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

BGCF → interactsWith → Call Session Control Function ⓘ
MGCF → interfacesWith → Call Session Control Function ⓘ