Connecting to Internet Telephony Service Providers with SIP

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

Today’s Agenda The SIP trunk problems & How Ingate addresses them ShoreTel integration philosophy : Technology Partner Program(TPP) Demonstrate how to connect SIP trunks from an ITSP to a ShoreTel system using a ‘SIParator’ Provide an opportunity for Q&A from the floor QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

SIP trunking problematic NAT traversal for SIP – – Network & SIP Communication security – – NAT resides at L3 – SIP at L7 NAT processing “breaks” SIP addressing 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 QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

INGATE Siparator addressing the NAT issue 603-883-6569 Firewall To:972-678-0464@ IP 168.105.45.19 From: 603-883-6569 @10.200.10.16 ShoreTel IP 10.200.10.16 PSTN Service Provider PSTN Gwy For calls to route successfully internal IP addresses have to be re-written The SBC handles the Network Address Translation (NAT) 972-678-0464 IP 168.203.30.11 Address re-write IP 168.105.45.19 IP To/URI:972-678-0464@ IP 168.105.45.19 168.203.30.11 From: 603-883-6569 @10.200.10.16 [email protected] QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

ITSPs can’t reach the IPBX in the LAN Service Provider can only address the known public IPaddress of the Enterprise 603-883-6569 ShoreTel From:972-678-0464@ IP 168.203.30.11 To:[email protected] Service Provider IP 10.200.10.16 PSTN PSTN Gwy For calls to route successfully IP addresses have to be re-written The SBC again handles the Network Address Translation (NAT) 972-678-0464 Firewall IP 168.203.30.11 Address re-write To/URI:[email protected] IP 10.200.10.16 IP 168.105.45.19 QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

No Need Replace the help? Existing Firewall! How doestothe Siparator Normal Firewalls Siparator DMZ SIP 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 B2BUA & SIP Proxy QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

The ITSP SIP transfer problem B2BUA 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 ShoreTel Hi John ! May I speak with Jane ? ITSP sees a RE-INVITE with the same Call ID 972-678-0464 REFER to Jane ALG Call-ID: X PSTN Service Provider Call-ID: X Call-ID: Y ? PSTN Gwy IP 168.203.30.11 DMZ Re-INVITE Jane 603-883-6580 Bob SBC with B2BUA *) The REFER SIP method QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

ShoreTel’s philosophy on integration ShoreTel Technology Partner Program - Mission Enable ShoreTel Reseller Partners to deliver complete business solutions to end customers with confidence Provide partners and customers with validated ‘end to end’ multivendor 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 QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

ShoreTel Technology Partner Program Mission Enable ShoreTel Reseller Partners to deliver complete business solutions to end customers with confidence Ex : Bandwidth.com is a TPP certified partner QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

Practical Demonstration Jerome Joanny, Sr Product Manager, ShoreTel Lisa Hallingstrom, System Engineering, Ingate QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

Detailed Demonstration Setup ShoreWare Director ShoreGear 90 IP 565 IP 565 SIParator Bandwidth.com ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED QuickTime and a None decompressor are needed to see this picture.

THANK YOU 2007 ShoreTel, Inc. All rights reserved worldwide. The ShoreTel logo, ShoreTel, ShoreCare, ShoreGear, ShoreWare, and ControlPoint are registered trademarks of ShoreTel, Inc. in the United States and/or other countries. ShorePhone is a trademark of ShoreTel, Inc. in the United States and/or other countries. All other copyrights and trademarks herein are the property of their respective owners. QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED

Backup Slide QuickTime and a None decompressor are needed to see this picture. ShoreTel CONFIDENTIAL -- FOR INTERNAL USE ONLY (c) ShoreTel, Inc. 2007 -- ALL RIGHTS RESERVED