s1p1 yachen wang

7/26/2019 S1P1 Yachen Wang

1/21

ITU Workshop on Voice and Video over

LTEGeneva, Switzerland, 1 ece!"er #$1%

&hina 'o"ile VoTLE Stat(s and )(rther &onsideration

*achen Wan+

Senior 'ana+er o -etwork Technolo+. ept

&hina 'o"ile

[email protected]


2/21

/+enda

Why VoLTE?

China Mobile VoLTE status

China Mobile VoLTE furtherconsideration


3/21

/lternative LTE Voice Sol(tions

T0LTE '(lti0!ode(alStand".

T0LTE '(lti0!odeSin+leStand".

LTE supportvoice& data

LTE supportdata only

VoLTES2V&&In LTE coverage, provideIM voice, support !VCCto provide voice continuity"

&S)3Ter#inal prefer LTE residence $allbac% to '() *henusing voice service"

T/2G

ET

S4L

UTI4-

LTE

CSFB phone

'(lti0!ode d(alstand".

Ter#inal resident in LTE and C voice service provided by Cand data service provided byLTE"

T2/-

SITI4-

S4LUTI4

-LTE

CS

Voice

T2/-

SITI4-

S4LUTI4

-ata

There are t*o %inds of LTE ter#inals+ LTE #ulti#ode dualstandby and LTE #ulti#ode singlestandby"

Voice service of LTE #ulti#ode dualstandby ter#inals is provided by C net*or%"

Voice service of LTE #ulti#ode single standby ter#inals is provided by LTE-VoLTE. or C-C$/.net*or%"

DS phone

CS

)all"ack

SGs

LTE

CS

S2V&&54

VoLTE phone

VoI6

Vo&S

ata

Sv


4/21

VoLTE 4verview and 3asic

)eat(res

)E/TU2E1VoLTE call control 7

service tri++er "asedon I'S

)E/TU2E#E6& provide

G(aranteed 8oS orVoLTE

)E/TU2E93eore (ll covera+e,eS2V&& can providevoice call contin(it.

0# 0-0#:%

/ll I6Low cost

5 voice7 video

&apacit.i!prove

d

Servicee;pansion

1


5/21

/+enda

Why VoLTE?


China Mobile VoLTE furtherconsideration


6/21

&hina 'o"ile at a +lance VoLTE deploy#ent *ill #igrate 45 #illion CMCC voice service

users fro# C to IM"

T0LTEstations

1 'illion>

#G9GS("scri

"ers

?#$

!illion

#@?!illion

AGS("scri"ers

2oa!in+

6artners

655

7I'So

!ains

91


7/21

VoLTE &o!!ercialLa(nch

China Mobile starts co##ercial launch fro#8uly 596" /y ept, 2ang:hou and /ei;ing beca#e the


8/21

5i+h level (nctionalarchitect(re

VoLTE #a;or functionalities have been developed+ >et*or% attach, IM registration, 23 voice & video call Mobility #anage#ent, including e!VCC Iv@ supported

olicy Charging ControlA

34SS

-'S

4'&

34SS/pplicationLa.er

&ore-etwork

I'SE6&6&G9G'S&

3TS3S&/cce

ss)

Ter!inal

VoLTE BE

2/ 5SS

I6 "earer

VoLTE

e-ode3LTE

C Value added


9/21

International

2oa!in+

5Voice

Intelli+ent

networkservice

I'SE!er+en

c. call

eS2V&&

S(pple!entar.service

5Video

Val(eaddedservice

VoLTE Service

S(pported

T3


10/21

T0LTE VoLTE Ter!inals

= types of T3LTE co##ercial ter#inals areprovided for VoLTE by ep" 596"

round 5 types of T3LTE ter#inals areproposed for VoLTE launch by the end of 596"


11/21

S(++estions in VoLTEeplo.!ent

ervices 'i+rationUser E;perience&har+in+ 6olic

Vario(s Services

E;istD upple#entary

ervicesD Valueadded ervices

D I> ervices

-o (niFedSol(tion or

Service 'i+ration

4perators needto care(ll.

develop Service

'i+ration

Sol(tion,

accordin+ to their

own service

1 Introd(ce

-ew )eat(resD e!VCC

D a!VCCD b!VCC

D Midcall !VCC

# E;tend LTE&overa+e

4perators need

to "alance"etween 1 and

#

'in(tes 3ased

&har+in+

vs:

Vol(!e 3ased&har+in+

'ore thin+s to think

a"o(t on V3&

D C3! correlation

D Content charging

D !oa#ing charging 4perators need

to pa. !ore

attention to

char+in+ polic.


12/21

/+enda

Why VoLTE?


China Mobile VoLTE furtherconsideration International !oa#ing

VoLTE Interoperability VoLTE7F ro;ect


13/21

International 2oa!in+ )MGs endorse#ent of t*o roa#ing architectures that canGt

inter*or%ing *ith each other is leading to #ar%et frag#entationbet*een operators"

The #ain contradiction is *hether access IM in Visited net*or% or in2o#e net*or%"

!VEL+ !oa#ing rchitecture for Voice over IM *ith Local/rea%out

42!+ 4 2o#e !outed


14/21

International 2oa!in+

Trials

China Mobile drives VoLTE International !oa#ing Trial in)M, and release VoLTE International !oa#ing Trial)uidanceF"


15/21

VoLTE Interopera"ilit. VoLTE Interoperability issue -B>I & >>I. delayed VoLTE

deploy#ent

igni


16/21

&hina 'o"ileVoLTE>

6roHect> : Improvement of user experience

> new serviceseat(res!(lti0part. Video callJK

> new access t.pes

VoWi)iJ K

> new t.pe o ter!inalsWe"2T& ter!inalJK

VoLTE


17/21

1 VoWi)i VoLTE WiF

ooadK&ore -etwork and Services

Internet andInternet Services

UserEM(ip!ent

Wi)i /ccess 6oint

#G9GLTE

Voice contin(it. "etween LTE and WiF 3etter indoor covera+e when hi+her LTE reM(enc.

"ands are (sed:

Widel. availa"le and s(pported ". UEshandsets,ta"lets, laptops:

Lower char+in+ strate+. especiall. when roa!in+:


18/21

#

'(lti0part. video call

EC

E;pansion o VoLTE

services 5 !(ltipart. video

call co!pared with4TT

Witho(t installin+ /66

IM 7

23 Video Multiparty Video Call


19/21

9

We"2T& 7 VoLTE capa"ilit.e;pos(re

VoLTE

WL>'()'LTE

Web!TC ter#inalVoLTE ter#inal

E;pansion oteleco! capa"ilit. >e* type of

ter#inals access toIM

>e* eperience forbro*ser users

>e* #ode for servicecapability eposure

>e* featuresintroduced fro# HTTservice


20/21

S(!!ar.

Collaborations are i#portant on VoLTE internationalroa#ing through standardi:ation and tests for itsco##ercial use"

VoLTE B>I pro


21/21

ThanksN

s1p1 yachen wang

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