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The 2 nd VNTelecom Seminar Telecom Paris Tech, 05/2009. IMS- The Inevitable Choice for Telecom Operators. 09/05/2009. Viet-Dung DAM [email protected]. Agenda. 1- Convergence & IMS (IP Multimedia Subsystem) 2- Rich Communication Suite - RCS 3- Business with IMS - PowerPoint PPT Presentation
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IMS- The Inevitable Choice for Telecom Operators
Viet-Dung [email protected]
The 2nd VNTelecom SeminarTelecom Paris Tech, 05/2009
09/05/2009
Agenda
1- Convergence & IMS (IP Multimedia Subsystem)
2- Rich Communication Suite - RCS
3- Business with IMS
4- What’s next ?
2
Voice & Data
Devices
Fixed & Mobile
Media &
Network
1. Convergence & IMS >> What is Convergence ?
Voice & DataA true multimedia experience that transforms the way we communicate (e.g. VoIP, Voice over cable, Mobile VoIP)
DevicesTelecoms functionality added to laptops, games, music consoles and vice versa (e.g. Nintendo with Wi-Fi, Mobile with Walkman, iPod with phone)
Media & NetworkReinventing home entertainment (e.g. IPTV, movie download)
FMCAllow customers to enjoy the best of both worlds (e.g. BT Fusion)
3
1. IP-Convergence & IMS >> IP Multimedia Subsystem
Technical View
I-S-CSCF
P-CSCF
DNS/ENUMHSS
presence
IPTVconversaApplication layer
IMS control
Transport layer IP core networkMobile
accessFixed
access
Wireless access
Standardization- First introduced in 3gpp R5 in 2002- 3gpp R6: internetworking with Wlan- 3gpp/ Tispan R7: support for fixed network
SIP is used as signaling protocol in IMS
IMS – a layering architecture• Application layer:- All IMS services are deployed on this layer
• Signaling layer: - A common control plane that initiates & manage all call
sessions
• Transport layer: - Networks like mobile, fixed, wireless,.. are considered as access networks to IMS
MGCFMRF c/p
others
4
1. IP-Convergence & IMS >> IP Multimedia Subsystem
IMS – An Enabler
- Enhance service agility, deliver multimedia services - Rapid roll-out of new & innovative service -> short TTM- Enable Convergence: Fixed & Mobile, Voice & Data - Horizontal framework for service delivery, services independent from access
network- Lowering Opex- 3rd party interoperability
Transport
AS-1 AS-2 AS-3
Service control
Service control
Service control
Transport
Common control plane
AS-1 AS-2 AS-3
5
1. IP-Convergence & IMS >> IP Multimedia Subsystem
Importance of IMS
Most of respondents state that IMS is a fundamental part for the IP-Convergence
36% of critical commercial respondents felt that IMS could change the Telco industry
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2. Rich Communication Suite
IMS Services
RCS was established in May 2007, supported by many operators & infrastructure vendors. The main objective of RCS program is to speed up the introduction of commercial IMS services.
Enriched Call
Call enriched with multimedia sharing
Enriched Phonebook
Contacts enhanced with capabilities &
presence
Enhanced messaging
Conversational messaging experience
Source: GSMA RCS program
7
IMS is not a business model itself but it implies changes in business model
3. Business with IMS
Opportunities
- Walled garden: deliver services on its own existing network- Smart pipe: support its own services, partners’ services or 3rd party’s services- Federated IMS: combination of walled garden & smart pipe- …
8
3. Business with IMS
Difficulties
Technology constraints are not the main issue for IMS deployment
Source: STL Telco 2.0
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4. What’s Next ?
IMS is now in the deployment phase..
IMS- The INEVITABLE choice for Telecom Operators
Source: STL Telco 2.0
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Thank you for your attention.
The 2nd VNTelecom SeminarTelecom Paris Tech, 05/2009
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