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The IP Multimedia Subsystem (IMS) is a standard network technology merging voice, data, and multimedia services. IMS is well integrated with existing voice and data in wire and wireless networks. To ease the integration with the Telecom and Internet networks, IMS use SIP (Session Initiation Protocol). The main components of IMS are CSCF's and HSS servers. They are responsible of processing and routing...
The IP Multimedia Subsystem (IMS) enables the convergence of voice, data, and multimedia services. IMS is well integrated with existing voice and data networks, while adopting many of their key characteristics. SIP (Session Initiation Protocol) provides a pathway to build a single unified network, bridging the gap that previously existed between the once-separated Telecom and Internet networks. The...
Basic requirements to the quality of service in LTE network, various real life use cases are considered. LTE provides basic IP connectivity on the platform of IMS. Mobile devices capable of using LTE network will need to support voice calling over the Internet protocol. Thus, VoIP is the first application considered. With the availability of a larger data pipe, another common application is viewing...
There is an increasing trend of accessing multimedia and web services embedded with Presence service over the mobile, which have driven the telecom operators to look for the new and better ways to provide such services. Presence service puts a lot of load on the IMS network and it can contribute 50% or more to the total signaling load which can increase end-to-end delay. In this paper we have analyzed...
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