SIP call over OpenIMS

using Android Phones

Objectives• Get call signaling functions running over the IMS

network

• Create a database to add and delete users

• Facilitating interoperability between user database and signaling entities.

• Setup a SIP call using a mobile client.

Open IMS Architecture

OpenIMS Implementation

Step I: Configuring the DNS Server

OpenIMS Implementation

• Step II: Running the core components of OpenIMS

PCSCF SCSCF

ICSCF

OpenIMS Implementation

Step III: Initializing OpenIMS

OpenIMS Implementation

Step IV: Configuring User Clients

OpenIMS Implementation

Step V: Registering Users

OpenIMS Implementation

Wireshark Trace

OpenIMS Implementation

Call Flow

Summary• How IMS works

• Implementing Open IMS

• Creating and Registering Clients on IMS Droid

• Making Calls

Team Members

Karan Gupta gupta.kar@husky.neu.eduViraj Gupte gupte.v@husky.neu.eduBhavin Mehta mehta.bh@husky.neu.eduNazik Elsayed elsayed.n@husky.neu.edu

Special Thanks to :Mentor

Ajay Chhabria chhabria.aj@husky.neu.edu