OpenSIPS Presence ProjectAtul Tambe

tambe.at@husky.neu.eduHitesh Thavnani

thavnani.h@husky.neu.eduAmit Rindhe

rindhe.a@husky.neu.eduMadhusudhan

ananderikandadai.m@husky.neu.eduAnurag Band

band.a@husky.neu.edu

Mentor: Harshith SomayaGuidance: Elliot Eichen

GOAL

To implement a context aware infrastructure using presence server with the help of XCAP to create centralized presence information exchange for client status notification application.

OpenSIPS presence server

User agent –

1.Jitsi

2.Pidgin

ImplementationXCAP Presence ServerXCAP protocol for XML An XCAP server used by

XCAP clientsBuddy lists Presence policy PUBLISH, SUBSCRIBE and

NOTIFY methods to provide a complete SIP server solution

Receiving and handling Presence subscriptions from UA.

Receiving and aggregating Presence data from the PUAs.

Composing the Presence status from the fragments of presence data.

Notifying all subscribed UAs when the Presence status of a Presentity in which they are interested changes.

PRESENTITY AND CALL FLOW

DATABASE TABLE

Features VisionVoIPPresence informationVideo CallInstant Messaging

Saves $ as internal communication is free

Management and control by system administrator

Academic institutional communicator

File transfer Video chatting

SUMMARY Cost Effective Security Flexibility Reliability