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© 2009 Avaya Inc. All rights reserved. Introduction to SIP Trunking in the Enterprise Henry Pinera Systems Engineer February 2009.

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Presentation on theme: "© 2009 Avaya Inc. All rights reserved. Introduction to SIP Trunking in the Enterprise Henry Pinera Systems Engineer February 2009."— Presentation transcript:

1 © 2009 Avaya Inc. All rights reserved. Introduction to SIP Trunking in the Enterprise Henry Pinera Systems Engineer February 2009

2 © 2009 Avaya Inc. All rights reserved. Why SIP? A great pedigree

3 © 2009 Avaya Inc. All rights reserved. Limitation & Challenges of Private IP (H.323/SIP) Trunking IP WAN PSTN Local & Long Distance PSTN Local & Long Distance IP Data &Telephony Private IP (H.323/SIP) trunks are limited to VoIP communications between internal systems/sites Separate TDM interfaces are required for external communication (partners/suppliers/customers) Extra cost, extra hardware, extra complexity Customers/ Partners/ Suppliers LAN TDM interfaces Why SIP Trunking? IP Phone External Communications Internal Communications

4 © 2009 Avaya Inc. All rights reserved. SIP Trunking A Single Pipe to the Cloud WAN PSTN Local & Long Distance PSTN Local & Long Distance H.323 SIP Customers/ Partners/ Suppliers LAN IP Phone 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

5 © 2009 Avaya Inc. All rights reserved. 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. SIP trunking can be over the LAN, WAN or dedicated circuits.

6 © 2009 Avaya Inc. All rights reserved. Building Blocks of SIP Trunking Service Provider –Service –Session Border Controller (SBC) 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 Service Provider SBC Server / Gtwy … or direct connection

7 © 2009 Avaya Inc. All rights reserved. Components of SIP Trunking Solution SIP Modular Messaging Voice Portal CM Branch Edition Communication Manager SES Meeting Exchange SBC DS3/ISDN G860 IP Office Customers Partners Suppliers Avaya one-X © Communicator ITSP PSTN SIP Customers Partners Suppliers

8 © 2009 Avaya Inc. All rights reserved. SIP Trunking - Overview 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) SIP Provider(s) T1/E1/ ISDN Provider(s) Analog Provider(s) SIP phone (future) Digital phone (24xx/54xx/T3) Analog phone IP phone (46xx/56xx/T3 IP) IP DECT Benefits – Lower operational costs Lower cost/flat rate calls with Internet Telephony SPs Offers back-up to Analog/Digital Trunks + Number Portability Future-proof your investment IP Office acts as a SIP gateway

9 © 2009 Avaya Inc. All rights reserved. SIP Trunking – IP Office Interoperability Internet Engineering Task Force (IETF) RFC Support –All the major RFCs are supported to ensure SIP interoperability with most Service Providers Some of the vendors that we have performed Interoperability with; North America: –AGN (US) –AT&T/SBC (US) –Bandtel (US) –Cbeyond (US) –Curry IP Solutions (US) –XO (US) –FWD / Free-World Dialup (US) –Global Crossing (US) –Les.net (Canada/USA)

10 © 2009 Avaya Inc. All rights reserved. Will CM Support SIP Trunks from XYZ SP? 1. DevConnect compliance testing For U.S. SIP SPs, no longer a requirement but still HIGHLY RECOMMENDED No change to non-U.S. Service Providers; DevConnect compliance testing required Contact: 2. Professional Services engagement for enterprise customers 3. In-region R&D Contact: In-region Product Manager

11 © 2009 Avaya Inc. All rights reserved. SIP SP – DevConnect Members United States –AT&T –BandTel –Bandwidth.com –Clear Channel Satellite –ConneXon Telecom (911 Enable) –Cox Communications –Global Crossing –Nectar (AGN Network) –PAETEC (McLeodUSA) –Telcordia –Telepacific –Verizon Business –XO Communications EMEA –BT [Germany and Spain] –Club Communications [UK] –COLT [UK and Germany] –KPN [Netherlands] APAC –Singtel [Singapore] –Telstra [Australia] –TFN [Taiwan]

12 © 2009 Avaya Inc. All rights reserved. Service Provider SIP Proxy Architecture 3rd party systems High Density Gateways (Avaya G860) Voice Portal Outsourcer Communication Manager systems Branch Agents Remote Agents Business Applications Conferencing Unified Messaging

13 © 2009 Avaya Inc. All rights reserved. Peering Enterprise Contact Centers

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

15 © 2009 Avaya Inc. All rights reserved. LAN Avaya Communication Manager G650 Gateways Digital/Analog IP Phone IP WAN A E B D C The Enterprise Infrastructure Micro Sites G250 S8300 LSP or basic survivability Small Sites G350 S8300 LSP or basic survivability Medium Sites G450s S8300 LSP Large and/or Backup Sites G650, ESS

16 © 2009 Avaya Inc. All rights reserved. Building a SIP Trunk (Drag & Drop) Service Provider Avaya Communication Manager (IP-PBX) Avaya SIP Enablement Server (SIP Proxy) Session Border Controller Application Notes for Configuring Avaya Communication Manager SIP Trunking to a Typical SIP Service Provider – Issue 1.1 us/resource/assets/applicationnotes/genspsiptrk-v1-1.pdf

17 © 2009 Avaya Inc. All rights reserved. CM to ITSP (Outbound call) If the Far-end Domain is filled out then the Request URI and the To headers will reflect the information. The Public-unknown numbering plan inserts the From extension. The Near-end Clan for the signaling group has an ip- network-region authoritative domain that will appear in the From header.


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