WCDMA OTA message flow - MO voice call

[Establish MO call]
BS<<<MS: rrcConnectionRequest(originatingConversationalCall), UL_CCCH
BS>>>MS: rrcConnectionSetup, DL_CCCH
BS<<<MS: rrcConnectionSetupComplete, UL_DCCH
BS<<<MS: NAS: CM service request, UL_DCCH
BS>>>MS: NAS: MM,Authentication Request, DL_DCCH
BS<<<MS: NAS: MM,Authentication Response, UL_DCCH
BS>>>MS: securityModeCommand, DL_DCCH
BS<<<MS: securityModeComplete, UL_DCCH
BS<<<MS: NAS: CC,Setup (MS to network direction), UL_DCCH
BS>>>MS: NAS: CC,Call proceeding, DL_DCCH
BS>>>MS: radioBearerSetup, DL_DCCH
BS<<<MS: radioBearerSetupComplete, UL_DCCH
BS>>>MS: NAS: CC,Alerting, DL_DCCH
BS>>>MS: NAS: CC,Connect, DL_DCCH
BS<<<MS: NAS: CC,Connect acknowledge, UL_DCCH

[disconnect from network]
BS>>>MS: NAS: CC,Disconnect (Network to MS direction), DL_DCCH
BS<<<MS: NAS: CC,Release, UL_DCCH
BS>>>MS: NAS: CC,Release complete, DL_DCCH
BS>>>MS: rrcConnectionRelease, DL_DCCH
BS<<<MS: rrcConnectionReleaseComplete(3 times), UL_DCCH

[disconnect from device]
BS<<<MS: NAS: CC,Disconnect (MS to Network direction), UL_DCCH
BS>>>MS: NAS: CC,Release, DL_DCCH
BS<<<MS: NAS: CC,Release complete, UL_DCCH
BS>>>MS: rrcConnectionRelease, DL_DCCH
BS<<<MS: rrcConnectionReleaseComplete(3 times), UL_DCCH