Core network development

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Core network development And the services for
MOBIFONE NETWORK
Nguyen Dang Nguyen Deputy Manager Technology
Network Development Department Vietnam Mobile
Telecom Services Company
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Agenda

• An overview about VMS
• Core network development
• Services for end-users

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MobiFone network overview
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Vietnam mobile telecom services co. VMS

• VMS is a state owned company, formed in Apr
  1993, a subsidiary of VNPT. MobiFone is our brand
  name.
• Business license operating a nationwide
  GSM900/1800 network in Vietnam
• Our network is nationwide with coverage in
  64/64 provinces.

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Vietnam mobile telecom services co. VMS

• With international roaming services, our
  customers can use the service in 110 GSM
  operation at 50 nations worldwide.
• At this time, MobiFone coverage is in 64/64
  provinces with more than 3.2 million active
  subscribers in the whole network.
• 1.0 million post-paid subscribers.
• 2.2 million pre-paid subscribers.

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mobifone network at 2005 year end
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VALUE ADDED SERVICES Non voice

• CLIP/CLIR
• Call Divert
• Call Holding, Call Waiting
• Voice mail
• Fax -Data.
• International Roaming
• SMS
• SMS info (cell Broadcast).
• Inter SMS within Operators

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VALUE ADDED SERVICES Non voice

• GPRS/WAP/MMS
• VAS base SMS
• SMS chat
• Mobimail
• MobiFun (Logo, Ringtone)
• Livescore
• Mobilist

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Core Network Development
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Future of GSM core network
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Future of GSM core network
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Future of GSM core networkOutline Features

• NGN Mobile Core with MSC servers (softswitch) and
  Media Gateway structure.
• IP network based structure.
• Cost Effective due to transmission over IP
• Ready for 3G WCDMA access network.

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Future of GSM core networkOUR sTANDING POINT

• NGN Mobile Core Network must be ready and
  compatible with 3GPP Release 5 or 6 depend on the
  time plan to introduce it in the network
• Deployment of NGN Mobile Core must be first to
  add up capacity for existing GSM network. 2G and
  3G core must be co-exist in most cost effective
  way.
• High quality transmission network for IP backbone
  must be deployed in equivalent to the core nodes.

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Future of GSM core networksuggested ROADMAP FOR
MOBiFone

• NGN Softswitch R5/R6
• GPRS Core sysem R5/R6
• IP backbone
• IMS

EDGE
3G trial (implemented)
2004
2005
2006
2007
2008
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Services for end-user with Core network evolution
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Perspective

• Non-voice services will have important role in
  revenue of operator.
• Handset is a key factor in the successful of next
  generation network services.
• We commit to be the first operator in Vietnam to
  deliver to the customer most advanced services
  together with the roll out of 3G/NGN.

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NEW SERVICES coming up with NGN core

• NGN Deployment
• IMS with Push to Talk and Multimedia Sharing.
• WiMax in hotspot areas.

• EDGE
• Push to Talk
• Video Streaming

3G trial (implemented)
2004
2005
2006
2007
2008
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IMS architecture
SIP Application Servers
SIP Application Servers
HSS
IMS
I-CSCF
MRF
P-CSCF
MGCF
CDMA 2000
S-CSCF
MGW
MSC(Server)
Corporate
RNC
SGSN
GGSN
BSC
CN
UMTS/GPRS
MGW
WLAN
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In conclusion
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• Business cooperation chances is in futures ahead
  for the improvement of value added service on NGN
  based.
• Vendors are invited to come for presentation of
  their product and capability in introducing value
  added services for end-users in NGN network
  environment
• Please contact us at
• Technology Network Development Department
• Fax [phone]
• Email nguyennd_at_vms.com.vn

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Thanks for your attention