IMS Protocols

IMS relies on a set of standardized protocols to enable its functionality. These protocols are crucial for signaling, media transport, and various other functions within the IMS architecture.

SIP (Session Initiation Protocol)

Core signaling protocol in IMS, used for creating, modifying, and terminating multimedia sessions.

Diameter

Used for Authentication, Authorization, and Accounting (AAA) functions in IMS.

RTP/RTCP

Real-time Transport Protocol (RTP) and RTP Control Protocol (RTCP) for media transport and quality monitoring.

H.248/Megaco

Used for controlling media gateways in IMS networks.

SDP (Session Description Protocol)

Used in conjunction with SIP for describing multimedia session parameters.

HTTP

Used for various applications and services in the IMS environment.