Introduction to SIP Trunking in the Enterprise Henry

Introduction to SIP “Trunking” in the Enterprise Henry Pinera Systems Engineer hpinera@avaya. com February 2009 © 2009 Avaya Inc. All rights reserved.

Why SIP? A great pedigree © 2009 Avaya Inc. All rights reserved.

Why SIP Trunking? Limitation & Challenges of Private IP (H. 323/SIP) Trunking • Private IP (H. 323/SIP) trunks are limited to Vo. IP communications between internal systems/sites • Separate TDM interfaces are required for external communication (partners/suppliers/customers) • Extra cost, extra hardware, extra complexity PSTN Local & Long Distance un m om al C rf es ns io IP WAN ac at ic rn te un te in m Ex M om l. C TD i TD a rn M nt ic es c fa er te Ex at io ns Customers/ Partners/ Suppliers IP Data &Telephony LAN IP Phone © 2009 Avaya Inc. All rights reserved. LAN Internal Communications IP Phone

SIP Trunking A Single Pipe to the Cloud • Single IP link for voice/data • Optimize use of WAN access by consolidating voice and data services • Reduce PSTN interfaces for long-distance and local access • Assign local telephone numbers to any ‘virtual location, ’ independent of physical location • Prepares for future SIP solutions PSTN Local & Long Distance Customers/ Partners/ Suppliers SI P P SI WAN H. 323 LAN IP Phone © 2009 Avaya Inc. All rights reserved. IP Phone

Flavors of SIP Trunking Service Provider Enterprise / Contact Center (one or multiple locations) Enterprise / Contact Center Application Servers SIP trunking can be over the LAN, WAN or dedicated circuits. © 2009 Avaya Inc. All rights reserved.

Building Blocks of SIP Trunking SBC Service Provider Server / Gtwy Service Provider – Service – Session Border Controller (SBC) … or direct connection Customer Premise – Edge security device: SBC, Firewall, etc – Communication Platform: Server(s), Gateway(s), SIP Proxies, etc – Application Servers: messaging, video & audio conferencing, collaboration tools, IM, Presence, and more – Endpoints: hardphones, softphones, mobile devices, application integration © 2009 Avaya Inc. All rights reserved.

Components of SIP Trunking Solution Customers Partners Suppliers IP Office ITSP G 860 PSTN DS 3/ISDN Communication Manager CM Branch Edition SBC Meeting Exchange Modular Messaging SES SIP © 2009 Avaya Inc. All rights reserved. SIP Avaya one-X© Communicator Voice Portal

SIP Trunking - Overview SIP phone (future) SIP Provider(s) IP DECT IP phone (46 xx/56 xx/T 3 IP) T 1/E 1/ ISDN Provider(s) Digital phone (24 xx/54 xx/T 3) IP Office acts as a SIP gateway Analog phone Analog Provider(s) No need for a SIP phone to make/receive a SIP call SIP Trunks are licensed in increments of 1, 5, 10 and 20 (up to 128 channels) Benefits – Lower operational costs • Lower cost/flat rate calls with Internet Telephony SPs Offers back-up to Analog/Digital Trunks + Number Portability • © 2009 Avaya Inc. All rights reserved. • Future-proof your investment

Will CM Support SIP Trunks from XYZ SP? 1. Dev. Connect compliance testing Ø For U. S. SIP SPs, no longer a requirement but still HIGHLY RECOMMENDED Ø No change to non-U. S. Service Providers; Dev. Connect compliance testing required Ø Contact: http: //www. avaya. com/devconnect http: //www. avaya. com/master-usa/en-us/resource/assets/applicationnotes/genspsiptrk-v 1 -1. pdf 2. 3. Professional Services engagement for enterprise customers In-region R&D Ø Contact: In-region Product Manager © 2009 Avaya Inc. All rights reserved.

SIP SP – Dev. Connect Members United States – – – – AT&T Band. Tel Bandwidth. com Clear Channel Satellite Conne. Xon Telecom (911 Enable) Cox Communications Global Crossing Nectar (AGN Network) PAETEC (Mc. Leod. USA) Telcordia Telepacific Verizon Business XO Communications © 2009 Avaya Inc. All rights reserved. EMEA – BT [Germany and Spain] – Club Communications [UK] – COLT [UK and Germany] – KPN [Netherlands] APAC – Singtel [Singapore] – Telstra [Australia] – TFN [Taiwan]

Architecture High Density Gateways (Avaya G 860) Service Provider 3 rd party systems Voice Portal SIP Proxy Outsourcer Business Applications Branch Agents Remote Agents Communication Manager systems Conferencing © 2009 Avaya Inc. All rights reserved. Unified Messaging

Peering Enterprise Contact Centers © 2009 Avaya Inc. All rights reserved.

© 2007 2009 Avaya Inc. All rights reserved. Avaya – Proprietary & Confidential. Under NDA 14