What is CSCF (Call Session Control Function)?

Call Session Control Function (CSCF) is the main part of the IP Multimedia Subsystem (IMS), dealing with all signaling from the end-user to administrations and different networks. CSCF can manage the versatile and fixed IMSs, containing the modules to control end-user signaling, set up emergency associations, oversee communication with different networks, and designating the application server. CSCF can be deployed in multiple cloud environments.