1. PRESENTED BY - TEAM IMS AKILA BALADENDAPANI BALASIVAKUMAR RAVIKUMAR CHENTHILKUMAR KALYANASUNDARAM GAUTHAM VIVEK MADHUSUDHAN SUNDAR RAMAKRISHNAN

2. IMS IMS - Converged Network WHY IMS?  IP on everything  Supports both wireline and wireless  Independent of access network(UMTS, GPRS, WiMAX, wireline, DSL's)  Internet services everywhere, anytime using cellular technologies USERS - BELIEVE IT, WHEN YOU SEE IT  Security  Roaming  Quality of service IP TV Mobile phone Analogphone VoIP Phone Home computer Laptop

3. OPEN IMS – SERVER ARCHITECTURE Proxy – Call Session Control Function Gateway to IMS architecture Topology Hiding Interrogating – Call Session Control Function State-less proxy Network Domain Security Home Subscriber Server Maintain a MySql DB of users Web based mgmt console Authentication Serving – Call Session Control Function Call control function Routing

5. Subscription of users in IMS

7. MOBICENTS – PRESENCE SERVER ARCHITECTURE XML DOCUMENT MANAGEMENT (XDM) SERVER PRESENCE SERVER

8. PRESENCE WORKING MODULE