volte ims-tas design workshop - part ii use cases v01

Company Confidential1 © 2014 NSN IMS/VoLTE Workshop / Curitiba / 2014-10-20 / HCK

Global CoE Malaysia

IMS/VoLTE Workshop

Curitiba, 2014-10-20

Part II: Use Cases

Registration

Registration – Home PLMN

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS

MGW

MGCF

MGW

3G-RAN

CAP

SCP

HLR-FE

MME

SGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TASSp

A

DNS

S6a

1 EPS Attach: Step1-16 of TS23.401-5.3.2.1-12 Combined CS Attach over SGs (TS23.272-5.2)3

4

5

6

7

EPS Attach: Step17-26 of TS23.401-5.3.2.1-1

8

P-CSCF Discovery (E.1.1 of 23.228)

9

IMS Registration (Fig 5.1 of 23.228)

9'

ISC: IFC=TAS’s FQDN+Port#; Resolve TAS’s FQDN to IP Addr

ISC 3rd Party Registration

10

Download A’s VoIP Profile from HSS (or use default one in TAS)

11

If MMTel profile in HSS, UDR/UDA

12

If MMTel in HLR, UL or RD (based on VLRDLTYPE in SGP)Create/UPdate VLR/SPD

200 OK

if UserType=IPSMGW, ATM to update IP-SM-GW Address in HLR

1 XX X

2 XX X

3 XX X

4

5 XX XX

6 XX

7 XX

8 XX

9 XX9' XX

10

11 XX

12 XX

Registration - Roaming with eSRVCC

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

Mg/j

PCRF

S/PGW

x-CSCF

Mn

Mb

Mp

ENUM

MGCF

HLR-FE

MME

SGs/Sv

Mn

C

MSS

CAP

CTAS

Sp

A

DNS

S6a

Rx

Gx

S1-U

MME

SGs/Sv

S/PGW

VMSS

MGW

eNb

vPCRFIq

BGWATGW

Mx

P-CSCF

IBCF

ATCFIx

DRA

S9

S6a

Gm

BGWATGW

Ix

Iq

DRA

Ici

Izi

Visited Network Home Network

Mx

P-CSCF

IBCF

HSS-FE

1 EPS Attach: TS23.401-5.3.2.1-12

P-CSCF Discovery; SIP REGISTER3

If ATCF is included, ATCF Inserts Feature-Cap* to REGISTER4

IMS Registration (Fig 5.1 of 23.228)5

IFC trigger SCC AS Registration (ATCF’s info in Feature-Cap*)6

Get VoIP Profiles from HSS or use default one in TAS7

Create/UPdate VLR/SPD

8

If EPC HSS ≠ IMS HSS, get STN-SR from EPC HSS10

Ma: MESSAGE {STN-SR, ATU-STI, C-MSISDN}

9

Query DNS for ATCF-MGMT-URI11

If Sub’s STN-SR≠ATCF’s STN-SR, Update STN-SR (EPC HSS)

12

Update ATCF flag iin SPD

ATCF

Establish Local Breakout Default Bearer for IMS Signaling

**If Combined HSS, SRVCC info: STR-SR, SRVCC-capability

2X X

1 XX X

X

3X X X

4

5 XX X

6 XX

8 XX X 8'9

Get MMTel (& SRVCC info**) Profile from HSS or HLR7X X

10X X

*Feature-Cap: STN-SR, ATCF-MGMT-URI and ATCF-PATH-URI

11 XX

12 XX

13

14

13 XX X

MGW

14

MGW

Figure 5.1 of TS23.228: IMS Registration

P-CSCF HSS I-CSCF

1. Register 2. Register

3. Cx-Query/Cx-Select-Pull

UE


4. Cx-Query Resp/Cx-Select-Pull Resp

7. Cx-Put Resp/Cx-Pull Resp

5. Register

9. 200 OK 10. 200 OK

11. 200 OK

6. Cx-put/Cx-Pull

S-CSCF

8. Service Control

Figure 5.2-1 of TS23.272: SGs Attach

1. Attach Request

3. Derive VLR number

4. Location Update Request

5. Create SGs association

7. Location Update Accept

UE MME HSS MSC/VLR

2. Step 3 to step 16 of the Attach procedure specified in TS 23.401

6. Location update in CS domain

8. Step 17 to step 26 of the Attach procedure specified in TS 23.401

VoLTE Voice Call

VoLTE (in PS) to VoLTE (in PS) in D-TADS

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

PSTN/PLMN

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS

MGW

MGCF

MGW

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSSCAP

C/J

P-CSCF

TAS

Gm

Sp

1 INVITE RURI:B

4

2 A’s IFC=TAS’s FQDN+Port#; Resolve TAS’s FQDN to IP Addr3

6

5

SCC AS: Call Anchoring; TAS: Orig. Services Execution

7

INVITE RURI:B (ISCUNI)

INVITE RURI:B (ISCNNI)

8

Query ENUM for B’s MSISDN

9

ENUM Result: B’s SIP URI

10

Route to B’s S-CSCF: Step3-6 Figure 5.11 of TS23.228

14

11

B’s IFC=TAS’s FQDN+Port#; Resolve TAS’s FQDN to IP Addr

13


TAS: HLRENQ - SRI/Res(TCSI)

OPTIONS B OK; INVITE RURI:B (ISCUNI)

SCC AS T-ADS: PS Hunt - SIP Registered

15

X

VoiceOverPS Check (if B’s SGP VoIP over PS Check=Y) 16

TAS: Term. Services Execution; SCC AS: Call Anchoring

AB

1 X X

DNS

X 2 X

X 3 X

X 5 X

X 6 X

X 7 XX 8 X

X 9 X

X 10

13

X X11

15

S6a

X

XXX

16 XXX X

X X14

12 TAS: GW Services Execution X 12 X

X X4

VoLTE to VoLTE (SIP Deregistered)

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Sp

1 Steps 1-9 in VoLTE to VoLTE

A B

DNS

S6a

MGW MGWCC

X 1 X X

X 2

5

3

X

X XX

9

2

3

10

5

11

7

8

9

13

INVITE RURI:B (ISCNNI)TAS: HLRENQ - SRI/Res(T-CSI)

SRI(Suppress TCSI)/Res(MSRN)INVITE MSRN (ISCNNI)

SCC AS T-ADS: PS Hunt - SIP Not Registered

INVITE MSRN (Mg)

Mobile Terminating Call

INVITE Prefix+CdPN (ISCNNI)Forward to BGCF -> MGCF: INVITE Prefix+CdPN (Mj)MGCF: Remove Prefix - HLRENQ: SRI/Res(TCSI)

CSRN=MSRN

CSRN=Prefix+CdPN

X X

4 TAS: GW Services (T-CSI) Execution X 4 X

6 SCC AS T-ADS: CS Hunt – Disconnect T-CSI Services X 6 X

77 TAS: HLRENQ - SRI/Res(T-CSI) X X


9X X

10 XX

11 XX

7 XX

8 XX

11

12

SRI(Suppress TCSI)/Res(MSRN)

IAM MSRN (BICC)

10 MGCF: GW Services (T-CSI) Execution 10 X

11X X

12X X

X

9X X

13X X

VoLTE to VoLTE Out of LTE Coverage

Rx

eNb

Cx ISC

Gx

Sh

S1-US1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Gm

Sp


A B

DNS

S6a

MGW MGWCC

X 1 X X

X 2

5

3X

X XX

2

3

5


SCC AS T-ADS: PS Hunt - SIP Registered

X X


6

7 VoPS=N or OPTIONS/INVITE errors TAS: Term. Services Execution; SCC AS: Call Anchoring

7 XXX

X X6

X X

8 SCC AS T-ADS: CS Hunt – Disconnect T-CSI Services X 8 X

9 Steps 7-13 in VoLTE to VoLTE Not Registered X 9 XX X X X X

VoLTE to VoLTE CFU VoLTE

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS

MGW

MGCF

MGW

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSSCAP

C/J

P-CSCF

TAS

Gm

Sp

AC

DNS

S6a

6

5

7

CFU Pending - INVITE C# (ISCNNI)

Step (6) to (14) of VoLTE to VoLTE

OPTIONS C OK; INVITE RURI:C (ISCUNI)

1 Steps 1-9 in VoLTE to VoLTE X 1 X X

X 2

3

X

X XX

2

3INVITE RURI:B (ISCNNI)TAS: HLRENQ - SRI/Res(T-CSI,CFU) X X


5 XX

7 XXX X

6 XX

VoLTE to Pure CS

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Gm

Sp

1 INVITE RURI:B

4

2 A’s IFC=TAS’s FQDN+Port#; Resolve TAS’s FQDN to IP Addr3

6

5

SCC AS: Call Anchoring; TAS: Orig. Services Execution

7

INVITE RURI:B (ISCUNI)


8

Query ENUM for B’s MSISDN

9

ENUM Result: Not found

9

10

X

AB

1 X X

DNS

X 2 X

X 3 X

4

X 5 X

X 6 X

X 7 X

8

9

S6a

XBreakout Call to BGCF; INVITE B (Mj) to MGCFGW Services: SRI/Res(TCSI/MSRN)BICC IAM(MSRN)->Mobile Terminating Call

X

X

10 XX

X

X

MGW MGWCC

CS Homing SCP or Forced-Routing) to VoLTE

PSTN/PLMN

A

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Gm

Sp

B

DNS

S6a

MGW MGWCC

1 IAM B’s MSISDN

GMSS: HLRENQ: SRI/Res(TCSI,OSSS etc.)2

B is VoLTE subscriber (based on T-CSI/OSSS) à Homing SSET3

B is Active in SPD (Sh Query HSS if B not found in SPD

4

Connect: Prefix (IMS) + CdPN

5

6

MGCF removes Prefix, send INVITE RURI:B (Mg) to I-CSCF

4

7Step (6) to (16) of VoLTE to VoLTE8

Force Routing – Connect: IMS Prefix + CdPN

Trigger (IDP) to Homing SCPHoming SCP

Forced Routing

1 XX

2 XX

3

4 XX

HMG

5 XX

6 XX

4

7 XX X8 XX X

CS (Homing Forced Routing) to VoLTE Deregistered

PSTN/PLMN

A

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

ENUM DNS MGCF

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Sp

B

DNS

S6a

MGWC

1 IAM B’s MSISDN



MGCF removes Prefix, send INVITE RURI:B (Mg) to I-CSCF

4

5Step (6) to (12) of VoLTE to VoLTE6

Force Routing – Connect: IMS Prefix + CdPNForced Routing

1 XX

2 XX

3

HMG

4

5 XX X

6

3G-RAN

CMGWC C

Step (5) to (12) of VoLTE to VoLTE in CS78

7 XX X

Mobile Terminating Call 8 XX

CS (Homing Optimal Routing) to VoLTE Deregistered

PSTN/PLMN

A

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

ENUM DNS MGCF

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Sp

B

DNS

S6a

MGW MGWC

1 IAM B’s MSISDN



B is NOT Registered

4

CONTINUE

5

8

Trigger (IDP) to Homing SCP

IDP Relay

1 XX

2 XX

34 XX

HMG

5 XX

6X

3G-RAN

Relay IDP to SCP

67

MAP ATSI to HLR get T-CSI 6 XX

7X X

Retriggering IDP to SCP

67

CONTINUE 6 XX

7X X

GMSS Retriggering

9 Mobile Terminating Call 8 XX

X

VoLTE to VoLTE SIP Deregistered (C-TADS)

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Sp


A B

DNS

S6a

MGW MGWCC

X 1 X X

X 2

3

X

X XX

9

2

3

10

5

11

7

8

9

13


SRI(Suppress TCSI,CFO=Y)/Res(MSRN)INVITE MSRN (ISCNNI)

TAS: Terminating Services Execution

INVITE MSRN (Mg)

Mobile Terminating Call

INVITE Prefix+CdPN (ISCNNI)Forward to BGCF -> MGCF: INVITE Prefix+CdPN (Mj)MGCF: Remove Prefix - HLRENQ: SRI(TCSI=N,CFO=Y/Res(MSRN)

CSRN=MSRN

CSRN=Prefix+CdPN

X X


6 SCC AS C-TADS: SIP Not Registered/VoPS=N/Error

7X X

8 XX

9 XX

7 XX

8 XX

12 IAM MSRN (BICC, CFO=Y) 12X X

9X X

13X X

X 5 X

6

VoLTE (in CS with Originating Homing) to VoLTE

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TASSp

BA

DNS

S6a

MGW MGWCC

1 Setup B’s MSISDNA is VoLTE sub with O-CSI that trigger to Homing SCP2

3

4

Connect: Prefix (IMRN) + CdPN

56

Remove Prefix, INVITE B, with “orig” in Route, SDP (Mg)

8 Step (5) to (16) of VoLTE to VoLTE

Forward to Originating S-CSCF, O_iFC to TAS

Implicit Registration for A7 Originating Service Execution

1 XX

HMG

2 XX

3 XX

4 XX X

5 XX

6 XX

7

8 XX

VoLTE Emergency Call

PSTN/PLMN

A

Rx

eNb

Cx ISC

Gx

Sh

S1-U

S1-MME

S11

Mw

UP IPBB

Mg/j

PCRF

S/PGW

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

Gm

ENUM DNS MGCF

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

C/J

P-CSCF

TAS

Sp

B

DNS

S6a

MGW MGWCC

HMG

1

Establish Emergency PDN Connectivity (TS24.301)

5

2

3

6

4IMS Emergency Registration (“sos” in Contact, TS24.229: 5.1.6.2)IMS Emergency INVITE (RURI=urn:service:sos) TS24.229-5.1.6.8)

UE detects EC, Domain Selection (TS23.167-H.5) – PS selected

Routing Decision – forward INVITE to E-CSCFMap PANI to PSAP number from LRF, send INIVTE (PSAP) to MGCF

5'

6'

Routing Decision – forward INVITE to S-CSCF -> TASMap PANI to PSAP number, send INIVTE (PSAP) to MGCF

7 IAM (PSAP) to PSTN

1

1 XX X

2 XX X

3 XX

5X

E-CSCF

X

6X X X

5'X X X

6'X X X

7X X

X

If UE is not Attached, step(2) should include Emergency AttachUE may decide to skip step (3) if no credential available, or if UE is in home network and already normal registeredS-CSCF/TAS-based EC routing (step(5') & (6')is only possible for registered non-roaming UEIn case UE is not able to detect EC, step(1),(2)&(3) will not be performed, INVITE in step (4) will be sent as normal call. P-CSCF should detect EC and make routing decision based on the roaming status of the UE

Note:a)b)

c)

d)

VoLTE SRVCC

SRVCC Home Network

Rx

CxISC

Gx

Sh

S1-MME

S11

Mw

Mg/j

PCRF

HSS-FE

x-CSCF

CAP

Mn

Mb

Mp

ENUM DNS MGCF

3G-RAN

CAP

SCP

HLR-FE

MMESGs/Sv

Mn

C

MSS

CAP

CTAS

SpDNS

S6a

MGW MGWCC

2

Measurement Report1

3HO Required (STN-SR)

4'

Target RAN Reservation

5'INVITE (prefix+STN-SR, PAI=B, IP3)

6'

O_iFC à INVITE (STN-SR, PAI=B, IP3)

7'

Retrieve B’s Call Log: reINVITE (A, IP3)/200 OK

5

8'

HO Response/Command

Release source leg (BYE/200 OK)

SCC AS

eNb

S1-U

S/PGW

Gm

A

B

P-CSCF

Remote LegSource LegTarget Leg

GmIP1

IP2

IP3 IP4 IP5

SRVCC

1 XX2 XX

3 XX

4' XX X

5' XX

200 OK (IP1)

4 4 XX X

6' XX X X

7' XX X

HO Detect/Complete 5 XX

6 XX X6 Release source leg

8' XX

eSRVCC Roaming

Rx

eNb

CxISC

Gx

Sh

S1-U

S1-MME

S11

Mw

Mg/j

PCRF

S/PGW

x-CSCF

Mn

Mb

Mp

ENUM

MGCF

HLR-FE

MME

SGs/SvMn

C

MSS

CAP

CTAS

Sp

A

DNS

S6a

Rx

Gx

S1-U

MME

SGs/Sv

S/PGW

eNb

vPCRFIq

BGWATGW

MxIBCF

Ix

DRA

S9

S6a

Gm

BGWATGW

Ix

Iq

DRA

Ici

Izi


Mx

P-CSCF

IBCF

HSS-FE

ATCF

1 XX

MGW

RAN

MGW

P-CSCFATCF

VMSSI-CSCF

MGCF

eSRVCC

Remote LegSource LegTarget Leg

1 RF Measurement2 PS to CS Access Transfer Request

4

3 Target RAN Reservation

4'

5'

5

7

INVITE (prefix+STN-SR, PAI=A, IP3)

INVITE (ATU-STI) – Update SCC AS

HO Command

Release Source leg (BYE/200OK)

2 XX

XX 3

XX

Tuning to Target RF

XX

4'

5

5' XX

XX 7

6 XX6

Reconfigure ATGW’s Media/200 OK (IP2)

IP3 IP2

4

X

Gm

5'

IP1

VoLTE SMS

SMS over IMS (SMSC Interworking)

Rx

CxISC

Gx

Sh

S1-MME

S11

Mw

Mg/j

PCRF

HSS-FE

x-CSCF

Mn

Mb

Mp

ENUM DNS MGCFCAP

SCP

HLR-FE

MMESGs/Sv

Mn

CAP

J

SpDNS

S6a

MGW MGW

eNb

S1-U

S/PGW

Gm

A B

P-CSCF

SMSC

3G-RAN

1 MESSAGE (RP-MO-Data)

4

2 IFC=TAS; MESSAGE (RP-MO-Data)3

5

SMSIP Originating Authorization

6

Originating Services Execution

7

MOFwdSM(RP-MO-Data/RP-Ack)

8

9

MESSAGE (RP-Ack)/200 OK

12

10

SRIforSM/Res

11

SRIforSM_ResIP-SM-GW’s addr)

MTFwdSM(RP-MT-Data)

MESSAGE(RP-MT-Data)/200 OK14

Domain Selection; Term Services Execution13

202 Accepted

SRIforSM -> HLR-> IP-SM-GW

MTFwdSM(RP-Ack)

Gm

1 XX X

2 XX

3

4 XX X X

5 XX

6 XX

C

HCAP

MSS

C

TASIP-SM-GW

8 XX X

7 XX X X

9 XX

10 XX

15

MSSAGE(RP-Ack)/202 Accepted

11 XX

13 XX X X

14 XX X X

15 XX

12 XX

E

SMS over IMS (Direct)

Rx

CxISC

Gx

Sh

S1-MME

S11

Mw

Mg/j

PCRF

HSS-FE

x-CSCF

Mn

Mb

Mp

ENUM DNS MGCFCAP

SCP

HLR-FE

MMESGs/Sv

Mn

CAP

J

SpDNS

S6a

MGW MGW

eNb

S1-U

S/PGW

Gm

A B

P-CSCF

SMSC

3G-RAN

Gm

1 XX X

2 XX

3

C

HCAP

MSS

C

TASIP-SM-GW

E

4 XX X

5 XX

7X X


4


5

SMS Originating Authorization

7

Originating Services Execution

9

11

MESSAGE (RP-MT-Data)

12

HLR -> IP-SM-GW

13

SRIforSM/Res (IP-SM-GW address)

MESSAGE(RP-MT-Data)/200 OK

Domain Selection - IMS; Termination Services Execution

202 Accepted

SRIforSM

IFC=TAS; MESSAGE (RP-MT-Data)

10

8

6RP-MO-Data to RP-MT-Data6

8X X

9X X

10X X

11X X

5 XX

14 MSSAGE(RP-Ack)/202 Accepted

13 XX X X

14 XX X X

SMS over IMS (Direct) – Reroute to CS

Rx

CxISC

Gx

Sh

S1-MME

S11

Mw

Mg/j

PCRF

HSS-FE

x-CSCF

Mn

Mb

Mp

ENUM DNS MGCFCAP

SCP

HLR-FE

MMESGs/Sv

Mn

CAP

J

SpDNS

S6a

MGW MGW

eNb

S1-U

S/PGW

Gm

A B

P-CSCF

SMSC

3G-RAN

Gm

1 XX X

2 XX

3

C

HCAP

MSS

C

TASIP-SM-GW

E

4 XX X

5 XX

6X X

7X X

8X X

9X X

10X X

11 XX

12 XX X

14X


4


5


6

Originating Services Execution; RP-MO-Data to RP-MT-Data

7

8

10


14

11

HLR à IP-SM-GW

12

SRIforSM/Ack (IP-SM-GW addr)Domain Selection – IMS; Term. Services Execution

15

MESSAGE(RP-MT-Data)/No Res

Second Route (MSC)

202 Accepted

SRIforSM

IFC=TAS; MESSAGE (RP-MT-Data)

9

13

MT-ForwardSM(RP-MT-Data/RP-Ack)

MAP RSMDS (Update Flag)

13

MAP

15 XX

XX

SMS over IMS to pure CS

Rx

CxISC

Gx

Sh

S1-MME

S11

Mw

Mg/j

PCRF

HSS-FE

x-CSCF

Mn

Mb

Mp

ENUM DNS MGCFCAP

SCP

HLR-FE

MMESGs/Sv

Mn

CAP

J

SpDNS

S6a

MGW MGW

eNb

S1-U

S/PGW

Gm

A B

P-CSCF

SMSC

3G-RAN

Gm

1 XX X

2 XX

3

C

HCAP

MSS

C

TASIP-SM-GW

E

4 XX X

5 XX

7X X

8X X

9X X

10X

MAP

XX


4


5


6Originating Services Execution

7

RP-MO-Data to RP-MT-Data

8

10


202 Accepted

SRIforSM/Res(VMS Addr)

MESSAGE (RP-MT-Data)9

6

MT-ForwardSM(RP-MT-Data/RP-Ack)

Thank You

volte ims-tas design workshop - part ii use cases v01

Documents

volte deregisteredvolte

volte deregisteredcs

volte sip deregisteredvolte

home routing

volte cfu voltevolte

volte b sub

optimal routing

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