AMR MOC Call Flow (1/3)

UE RNCBTS CN

RRC: RRC Connection Request

NBAP: Radio Link Setup Request

NBAP: Radio Link Setup Request

ALCAP: ERQ (Establish Request)

ALCAP: ECF (Establish Confirm)

RRC: RRC Connection Setup

L1 Synchronization

NBAP: Synchronization Indicator

RRC: RRC Connection Setup Complete

RRC: Initial Direct Transfer (MM: CM Service Request)

SCCP: CR (Connection Request)

RANAP: Initial UE Message (MM: CM Service Request)

SCCP: CC (Connection Confirm)

RANAP: Direct Transfer (MM: Authentication Request)

RRC: Downlink Direct Transfer (MM: Authentication Request)

RRC: Uplink Direct Transfer (MM: Authentication Response)

RANAP: Direct Transfer (MM: Authentication Response)

RANAP: Common ID

RANAP: Security Mode Command

RRC: Security Mode Command

RRC: Security Mode Complete

RANAP: Security Mode Complete

RRC: Uplink Direct Transfer (CC: Setup)

RANAP: Direct Transfer (CC: Setup)

RANAP: Direct Transfer (CC: Call Proceeding)

RRC: Downlink Direct Transfer (CC: Call Proceeding)

RRC Setup Phase(Resource Reservation in RNC, Node-b, transport)

RRC Access Phase(RNC waits for reply from UE)

RRC Active Phase

AMR MOC Call Flow (2/3)

UE RNCBTS CN

RANAP: RAB Assignment Request

NBAP: Radio Link Reconfiguration Prepare

NBAP: Radio Link Reconfiguration Ready

ALCAP: ERQ (Establish Request)

ALCAP: ECF (Establish Confirm)

NBAP: Radio Link Reconfiguration Commit)

RRC: Radio Bearer Setup

RRC: Radio Bearer Setup Complete

RANAP: RAB Assignment Response

RANAP: Direct Transfer (CC: Alerting)

RANAP: Direct Transfer (CC: Connect)

RRC: Downlink Direct Transfer (CC: Connect)

RRC: Uplink Direct Transfer (CC: Connect Acknowledge)

RANAP: Direct Transfer (CC: Connect Acknowledge)

Conversation In Progress

RRC: Uplink Direct Transfer (CC: Release Complete)

RANAP: Direct Transfer (CC: Release Complete)

RANAP: Iu Release Command

ALCAP: ERQ (Establish Request)

ALCAP: ECF (Establish Confirm)

RRC: Downlink Direct Transfer (CC: Alerting)

RRC: Uplink Direct Transfer (CC: Disconnect)

RANAP: Direct Transfer (CC: Disconnect)

RANAP: Direct Transfer (CC: Release)

RRC: Downlink Direct Transfer (CC: Release)

RANAP: Iu Release Complete

AMR MOC Call Flow (3/3)

UE RNCBTS CN

ALCAP: REL (Release Request)

NBAP: Radio Link Deletion Request

NBAP: Radio Link Deletion Response

RRC: RRC Connection Release Complete

SCCP: RLSD (Released)

ALCAP: RLC (Release Confirm)

RRC: RRC Connection Release

ALCAP: REL (Release Request)

ALCAP: RCL (Release Confirm)

SCCP: RLC (Release Complete)