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Session Border Controllers

Session Border Controllers. 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)

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Session Border Controllers

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  1. Session Border Controllers • TSMN 6350: IP Telephony (Spring 2013) • Project By: • Sara Basheer • (basheer.s@husky.neu.edu) • AnishDubey • (dubey.a@husky.neu.edu) • RutaGor • (gor.ru@husky.neu.edu) • ParinMaru • (maru.p@husky.neu.edu) • NimitaShrivastava(shrivastava.n@husky.neu.edu) • Under the guidance of: • Prof. Elliot Eichen • MadhuBhashni

  2. Did you know ??? • 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. What exactly is SBC??? Real time, interactive communications, voice, video & multimedia using SIP, H.323, MGCP SESSION BORDER IP-IP Network Borders CONTROLLER Security, SLA Assurance, QoS

  5. Back to Back User Agent! Traditional Firewall

  6. Back to Back User Agent! Traditional Firewall

  7. Back to Back User Agent! Traditional Firewall

  8. Back to Back User Agent!

  9. Back to Back User Agent!

  10. Back to Back User Agent! CALL TERMINATED

  11. Back to Back User Agent! NEW CALL INITIATED ???

  12. Back to Back User Agent! ???

  13. How do we make it work? • Asterisk Server installed and configured using Ubuntu • SIP.conf • Extensions.conf • Configurations in SBC System Realm Steering pool Local policy Session agent Sipinterface Networkinterface Physical Interface

  14. SIP TRACES

  15. RTP TRACES

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

  17. Summary • 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. What more? • NAT Traversal • Media Transcoding • Video Calling • Lawful Interception • And much more……..

  19. Questions???

  20. Thank you!

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