Connecting to Internet Telephony Service Providers with SIP

Connecting to Internet Telephony Service Providers with SIP Trunks Shore. Tel & Ingate SIParator Jerome Joanny Senior Product Manager Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

Today’s Agenda • The SIP trunk problems & How Ingate addresses them • Shore. Tel integration philosophy : Technology Partner Program(TPP) • Demonstrate how to connect SIP trunks from an ITSP to a Shore. Tel system using a ‘SIParator’ • Provide an opportunity for Q&A from the floor Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

SIP trunking problematic • NAT traversal for SIP – NAT resides at L 3 – SIP at L 7 – NAT processing “breaks” SIP addressing • Network & SIP Communication security – Physical medium is the IP pipe – Firewalls control what goes in or out such pipe • SIP Protocol Normalization & translation – Not all SIP are created equal … and compatible – Open Standard …open to interpretations Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

INGATE Siparator addressing the NAT issue 603 -883 -6569 Firewall 972 -678 -0464 To: 972 -678 -0464@ IP 168. 105. 45. 19 From: 603 -883 -6569 @10. 200. 16 Shore. Tel IP 10. 200. 16 For calls to route successfully internal IP addresses have to be re-written The SBC handles the Network Address Translation (NAT) Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED IP 168. 203. 30. 11 Address re-write IP 168. 105. 45. 19 168. 203. 30. 11 To/URI: 972 -678 -0464@ IP IP 168. 105. 45. 19 account@provider. co m From: 603 -883 -6569 @10. 200. 16

ITSPs can’t reach the IPBX in the LAN Service Provider can only address the known public IPaddress of the Enterprise 603 -883 -6569 Shore. Tel 972 -678 -0464 Firewall From: 972 -678 -0464@ IP 168. 203. 30. 11 To: 603 -883 -6569@168. 105. 45. 19 IP 10. 200. 16 For calls to route successfully IP addresses have to be re-written The SBC again handles the Network Address Translation (NAT) Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED IP 168. 203. 30. 11 Address re-write To/URI: 603 -883 -6569@168. 105. 45. 19 IP 10. 200. 16 IP 168. 105. 45. 19

No Need to Replace the Existing How does the Siparator help? Firewall! Normal Firewalls Siparator DMZ SIP-enables any firewall It works with existing firewalls Dynamically manages ports need for SIP: -SIP Signaling port 5060 -Range of UDP/TCP ports Provides a B 2 BUA & SIP Proxy Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

The ITSP SIP transfer problem B 2 BUA handles the “REFER” SIP method locally and a new media stream is set up to Jane Sure! I will transfer you to Jane John 603 -883 -6569 Shore. Tel Hi John ! May I speak with Jane ? ITSP sees a RE-INVITE with the same Call ID REFER to Jane Bob 972 -678 -0464 ALG Call-ID: X ? Call-ID: Y IP 168. 203. 30. 11 DMZ Re-INVITE Jane 603 -883 -6580 Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED SBC with B 2 BUA *) The REFER SIP method

Shore. Tel’s philosophy on integration Shore. Tel Technology Partner Program - Mission Enable Shore. Tel Reseller Partners to deliver complete business solutions to end customers with confidence • Provide partners and customers with validated ‘end to end’ multi-vendor solutions in the SIP ‘plug and pray’ era • Products undergo mutual validation testing to check compatibility • We have validated interworking with 7 SIP carriers (Airespace , ATT IP Flex, Bandtel, Bandwith. com, Broadvox, Etherspeak, Gamma Telecom ) • There are 20+ ITSPs in the pipeline Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

Shore. Tel Technology Partner Program Mission Enable Shore. Tel Reseller Partners to deliver complete business solutions to end customers with confidence Ex : Bandwidth. com is a TPP certified partner Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

Practical Demonstration Jerome Joanny, Sr Product Manager, Shore. Tel Lisa Hallingstrom, System Engineering, Ingate Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

Detailed Demonstration Setup Shore. Ware Director Shore. Gear 90 IP 565 SIParator Bandwidth. com Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED

THANK YOU Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED © 2007 Shore. Tel, Inc. All rights reserved worldwide. The Shore. Tel logo, Shore. Tel, Shore. Care, Shore. Gear, Shore. Ware, and Control. Point are registered trademarks of Shore. Tel, Inc. in the United States and/or other countries. Shore. Phone is a trademark of Shore. Tel, Inc. in the United States and/or other countries. All other copyrights and trademarks herein are the property of their respective owners.

Backup Slide Shore. Tel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) Shore. Tel, Inc. 2007 -- ALL RIGHTS RESERVED