1. TSMN 6350: IP Telephony (Spring 2013) Project By: Sara Basheer (basheer.s@husky.neu.edu) Anish Dubey (dubey.a@husky.neu.edu) Ruta Gor (gor.ru@husky.neu.edu) Parin Maru (maru.p@husky.neu.edu) Nimita Shrivastava (shrivastava.n@husky.neu.edu) Under the guidance of: Prof. Elliot Eichen Madhu Bhashni

2.  Want to increase your enterprise revenue ?  Are you experiencing a significant network slowdown?  Security issues bogging you down?  Your competitors are doing much better ?!!!

3. NO MORE CONCERNS !!!!! WE HAVE THE SOLUTION THAT WILL SECURE YOUR NETWORK BORDER AND LET YOU RELAX !!!!!

4. SESSION BORDER CONTROLLER Real time, interactive communications, voice, video & multimedia using SIP, H.323, MGCP IP-IP Network Borders Security, SLA Assurance, QoS

5. Traditional Firewall

10. CALL TERMINATED

11. ??? NEW CALL INITIATED

12. ???

13.  Asterisk Server installed and configured using Ubuntu  SIP.conf  Extensions.conf  Configurations in SBC System Steering pool Session agent Realm Local policy Sip interface Network interface Physical Interface

16.  Asterisk › Some sip files went missing: qmail: purge qmail › Port forwarding issue  SBC › NAT-mode: None public › Registration caching disabled

17.  Installed and configured Asterisk Server successfully  Tested the working of Asterisk by calling from one SIP phone to other  Successfully configured SBC  Tested the SBC by making calls between Android phones  Video conferencing feature could not be implemented as our SBC model requires appropriate licenses  Tried including Google trunk feature into our product but GUI issue held us on it  Tried to integrate the presence server feature along with SBC calls – again routing issues prevailed  Overall, our product has been successfully made to work

18.  NAT Traversal  Media Transcoding  Video Calling  Lawful Interception  And much more……..