IP Multimedia Subsystem

This is an architecture for offering multimedia,VOIP services .This supports GSM,CDMA, Wireline, Broadband ..etc different access technologies. Thus each and every susbcriber residing in any place can access internet.It is also intended to allow operators to introduce new services, such as web browsing, WAP and MMS, at the top level of their packet-switched networksThis uses standard IP protocols as defined by IETF. So users will be able to access all their services . For that the interfaces used at the service providers end will also be IP based.

• Presence services
• Full Duplex Video Telephony
• Instant messaging
• Unified messaging
• Multimedia advertising
• Multiparty gaming
• Videostreaming
• Web/Audio/Video Conferencing
• Push-to services, such as push-to-talk, push-to-view, push-to-video.
  These are the areas  of importance when IPMS is implemented.