Copyright © 2013, 2015, Oracle and/or its affiliates. All rights reserved.
This figure shows a call flow diagram between these entities shown from left to right: Client Application, Signaling Engine, Media Engine, IMS Core, and SIP Endpoint. It shows these messages:
Client to Signaling Engine: Start with SDP1.
Signaling Engine to Media Engine: createSdpOffer.
Media Engine to Signaling engine: SDP2.
Signaling Engine to IMS Core: INVITE with SDP2.
IMS Core to SIP Endpoint: INVITE with SDP2.
SIP Endpoint to IMS Core: 200 with SDPa.
IMS Core to Signaling Engine: 200/OK with SDPa
Signaling Engine to Media Engine: createSdpAnswer
Media Engine to Signaling Engine: SDPb
Signaling Engine to Client: Start response with SDPb.
The Media Session occurs between the Client and the SIP Endpoint.
SIP Endpoint to IMS Core; BYE.
IMS Core to Signaling Engine: BYE.
Signaling Engine to Media Engine: createReleaseRequest.
Media Engine to Signaling Engine: OK.
Signaling Engine to Client: shutdown.