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UE RNC

UTRA_Idle

RRC Connection Request

[CCCH] RRC

Initial UE ID = IMSI|TMSI+LAI,Est.Cause = originating conersational call

Initial UE Message

CN !o"ain = cs, LAI, SAI, RNC#ID,NAS#$DU = CM Serice Request

call request (User)

RRC Connection Setu%[CCCH] RRC

U#RNTI, C-RNTI, signalling ra!io&earer R'(..R'), TrC*conguration, $C* conguration,ra!io access ca%a&ilit- u%!aterequire"ent RRC Connection Setu% Co"%lete[DCCH] RRC

Initial Direct Transer[DCCH] RRC

CN !o"ain = cs, NAS#$DU = MM#"essage/ CM Serice Request

CELL_DCH

UE

UE ra!io access ca%a&ilities

Direct Transer

SA$I=0, NAS#$DU = Autentication Req.

Do1nlin2 Direct Transer[DCCH] RRCCN !o"ain = cs, NAS#$DU =

MM#"essage/ AutenticationRequest

U%lin2Direct Transer[DCCH] RRCCN !o"ain = cs, NAS#$DU =MM#"essage/ AutenticationRes%onse LAI, SAI, NAS#$DU =

Autentication Res%.

Direct TranserRANAP

Securit- Mo!e Co""an!RANAPSecurit- Mo!e Co""an!

%er"itte! UIA, I3,%er"itte! UEA, C3,4

selecte! UIA, selecte! UEA, ci%ering actiation ti"e, 4

[DCCH] RRC

[DCCH] RRCSecurit- Mo!e Co"%lete

Securit- Mo!e Co"%leteRANAP

selecte! UIA, selecte! UEA

[DCCH] RRCU%lin2 Direct Transer

CN !o"ain = cs, NAS#$DU =CC#"essage/ Setu%

RANAPDirect Transer

LAI, SAI, NAS#$DU = Setu%

RANAP $aging

CN !o"ain = cs, LAI, IMSI, TMSI, cause

[PCCH] RRC

UE#ID = TMSI|IMSI,cause = ter"inatingconersation call|ter"inating cause

 un2no1n

UTRA_Idle

MSC Server

4

$aging T-%e

RNC

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UE RNC

RRC Connection Request[CCCH] RRC

CN !o"ain = cs, LAI, SAI, RNC#ID,NAS#$DU = $aging Res%onse

RRC ConnectionSetu% Co"%lete

Initial Direct Transer[DCCH] RRCCN !o"ain = cs, NAS#$DU = MM  "essage/ $aging Res%onse

UE

UE ra!io access ca%a&ilitie

Direct Transer

Autentication Req.

Do1nlin2 Direct Trans[DCCH] RRCCN !o"ain = cs, NAS#$DU =MM#"essage/ AutenticationRequest

U%lin2Direct Transer[DCCH] RRC

LAI, SAI, NAS#$DU =Autentication Res%.

Direct TranserRANAP

RANAPSecurit- Mo!e Co""an!

%er"itte! UIA, I3,%er"itte! UEA, C3,4

selecte! UIA, selecte! UEA ci%ering actiation ti"e,

[DCCH] RRC

[DCCH] RRCSecurit- Mo!e Co"%le

Securit- Mo!e Co"%leteselecte! UIA, selecte! U

[DCCH] RRC

CN !o"ain = cs,NAS#$DU = CC#

"essage/ Setu%

RANAPDirect Transer

LAI, SAI, NAS#$DU = Setu%

Initial UE ID = IMSI|TMSI+LAEst.Cause = Ter"inating

conersational call

U#RNTI, C-RNTI, signalling ra!io &earer R'(..R'), TrC* conguration, $C*conguration, ra!io access ca%a&ilit- u%!aterequire"ent

[CCCH] RRCRRC Connection Set

[DCCH] RRC

Initial UE MessageRANAP

RANAP

Securit- Mo!e Co""a

RANAP

Do1nlin2 Direct Transe

 MSC Server RNC

CELL_DC

CN !o"ain = cs, NAS#$DU = MM#"essage/ AutenticationRes%onse

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UE RNC

[DCCH] RRC

UE

RANAP

U%lin2 Direct Transe[DCCH] RRC

CN !o"ain = cs, NAS#$DUCC#"essage/ Call Conr"

LAI, SAI, NAS#$DU = Call Conr"e!

RANAP Direct Transer

SA$I=0, NAS#$DU =Call $rocee!ing

RANAPDirect Transer

[DCCH] RRC

CN !o"ain = cs, NAS#$DU = CC#"essage/ Call $rocee!ing

Do1nlin2 Direct Transer

Ra!io 'earer Setu%

RA'Setu%5rMo!i-Ite"RA' $ara"eter

[DCCH] RRC

RRC state = CELL6DC*, RA' to setu% ra!io &earer tosetu%, signalling ra!io &earer, trans%ort cannels to a!!, %-sical cannel

Ra!io 'earer Setu% Co"%lete[DCCH] RRC

RA' Assign"ent

Res%onsesuccessul setu%

[DCCH] RRC

RA'Setu%5rMo!i-Ite"RA' $ara"eter

[DCCH] RRCRa!io 'earer Setu%

RA' Assign"ent Res%onseRANAP

[DCCH] RRC

successul setu%

U%lin2 Direct Transe[DCCH] RRC

LAI, SAI, NAS#$DU = Alerting

Direct TranserRANAP

SA$I=0, NAS#$DU = Alerting

Direct TranserRANAP

CN !o"ain = cs, NAS#$DU = CC#"essage/ Alerting

Do1nlin2 Direct Transer[DCCH] RRCU%lin2 Direct Transer[DCCH] RRC

LAI, SAI, NAS#$DU = Connect

Direct TranserRANAP

SA$I=0, NAS#$DU = Connect

Direct TranserRANAP

CN !o"ain = cs, NAS#$DU = CC#"essage/ Connect

Do1nlin2 Direct Transer[DCCH] RRC

 MSC Server RNC

RRC state = CELL6DC*, RA' to setu% ra!io &earesetu%, signalling ra!io &eare, trans%ort cannels to a!!,  cannel

Ra!io 'earer Setu% Co"%

CN !o"ain = cs, NAS#$D CC#"essage/ Alerting

CN !o"ain = cs, NAS#$D CC#"essage/ Connect

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