WCDMA OTA message flow - MT data call

BS>>>MS: pagingType1(terminatingBackgroundCall), DL_PCCH
BS<<<MS: rrcConnectionRequest(registration), UL_CCCH
BS>>>MS: rrcConnectionSetup, DL_CCCH
BS<<<MS: rrcConnectionSetupComplete, UL_DCCH
BS<<<MS: initialDirectTransfer(cs-domain), UL_DCCH
BS<<<MS: initialDirectTransfer(ps-domain), NAS: Attach Request, UL_DCCH
BS>>>MS: NAS: Identity request, DL_DCCH
BS<<<MS: NAS: Identity response, UL_DCCH
BS>>>MS: NAS: GMM,Authentication Request, DL_DCCH
BS<<<MS: NAS: GMM,Authentication Response, UL_DCCH
BS>>>MS: NAS: Authentication and Ciphering Req, DL_DCCH
BS>>>MS: securityModeCommand, DL_DCCH
BS<<<MS: securityModeComplete, UL_DCCH
BS<<<MS: NAS: Authentication and Ciphering Resp, UL_DCCH
BS<<<MS: NAS: Location update request, UL_DCCH
BS>>>MS: NAS: Location update accept, DL_DCCH
BS>>>MS: NAS: Attach accept, DL_DCCH
BS<<<MS: NAS: Attach complete, UL_DCCH
BS>>>MS: rrcConnectionRelease, DL_DCCH
BS<<<MS: rrcConnectionReleaseComplete(3 times), UL_DCCH
...rrcConnectionSetup again
BS<<<MS: NAS: Activate PDP Context Request, UL_DCCH
BS>>>MS: radioBearerSetup, DL_DCCH
BS<<<MS: radioBearerSetupComplete, UL_DCCH
BS>>>MS: NAS: Activate PDP Context Accept, UL_DCCH