WCDMA OTA message flow - registration

BS>>>MS: systemInformationN, DL_BCCH_BCH
BS<<<MS: rrcConnectionRequest, UL_CCCH
BS>>>MS: rrcConnectionSetup, DL_CCCH
BS<<<MS: rrcConnectionSetupComplete, UL_DCCH
BS<<<MS: NAS: Location Updating Request, UL_DCCH
BS<<<MS: NAS: Attach request(ps-domain), UL_DCCH
BS>>>MS: NAS: Authentication Request, DL_DCCH
BS<<<MS: NAS: Authentication Response, UL_DCCH
BS>>>MS: securityModeCommand, DL_DCCH
BS<<<MS: securityModeComplete, UL_DCCH
BS>>>MS: NAS: Identity Request, DL_DCCH
BS<<<MS: NAS: Identity Response, UL_DCCH
BS>>>MS: NAS: Location updating Accept, DL_DCCH
BS<<<MS: NAS: TMSI Reallocation Complete, UL_DCCH
BS>>>MS: NAS: Authentication and ciphering request(ps-domain), DL_DCCH
BS<<<MS: NAS: Authentication and ciphering response(ps-domain), UL_DCCH
BS>>>MS: securityModeCommand, DL_DCCH
BS<<<MS: securityModeComplete, UL_DCCH
BS>>>MS: NAS: Identity request(GMM), DL_DCCH
BS<<<MS: NAS: Identity response(GMM), UL_DCCH
BS>>>MS: NAS: Attach accept(ps-domain), DL_DCCH
BS<<<MS: NAS: Attach complete(ps-domain), UL_DCCH
......
BS>>>MS: rrcConnectionRelease, DL_DCCH
BS<<<MS: rrcConnectionReleaseComplete(3 times), UL_DCCH