IR.94 Loss Of Voice Bearer

The Oracle Communications Unified Session Manager provides compliance with an IMS Profile for Conversational Video Service (IR.94) requirement that specifies the termination of a multi-media session (voice and video) if the voice bearer is lost.

Version S-CZ7.2.0 adds a new parameter (options terminate-on-voice-bearer-release) that addresses an unlikely, but possible, corner case in which the voice bearer is lost but the video bearer remains in service. Prior to Version S-CZ7.2.0, the Oracle Communications Unified Session Manager would retain the call as a video-only session. This behavior is not compliant with IR.94, which specifies that the video-only session should not be allowed to continue.

The option terminate-on-voice-bearer-release enables compliance with the IR.94 standard. Compliance is ensured by basing the decision to terminate or continue a multi-media session on the state of the voice bearer exclusively; the state of any other media bearer (video, for example) plays no role in the decision process. Consequently, if the voice bearer fails, the call terminates; failure of the video bearer, or other media stream, is not pertinent to call termination or continuance.