Brent Kelly of Wainhouse Research previews his upcoming VoiceCon San Francisco workshop, "Choices in Unified Communications," comparing Microsoft OCS and IBM Lotus Sametime.

1. CHOICES IN UNIFIED COMMUNICATIONS SOLUTIONS Deploying Microsoft Office Communications Server 2007 R2 or IBM Lotus Sametime 8.x in Multi-Vendor Telephony Environments E. Brent Kelly, Ph.D. bkelly@wainhouse.com Wainhouse Research, LLC www.wainhouse.com 1 © 2009 Wainhouse Research LLC. – Analysis and Information on Unified Communications

2. Tutorial Outline Unified Communications Definitions Strategies for Unified Communications Microsoft Office Communications Server 2007 R2 Architecture Integrating Telephony into Office Communications Server 2007 R2 Microsoft UC Clients IBM Lotus Sametime Architecture Integrating Telephony into Sametime 8.5 Sametime Unified Telephony Sametime UC Clients Analysis, Conclusions, Opinions Part 1 Part 2 2 © 2009 Wainhouse Research LLC. – Analysis and Information on Unified Communications

3. What do you do… If you have a homogeneous communications environment, you can Use that vendor’s UC tool Use Microsoft OCS or IBM Sametime If you have a heterogeneous communications environment… then what? Can use Avaya Aura, Nortel ACE, Siemens OpenScape, … The market is choosing IBM or Microsoft 3 © 2009 Wainhouse Research LLC. – Analysis and Information on Unified Communications Microsoft and IBM provide not just similar, but the SAME functionality across telephony and mobility environments!

5. AudioCodes

6. Cisco

7. Dialogic

8. Ferrari

9. NEC

10. Nortel

11. Nuera

12. Quintum Technologies

13. Tango

14. VegaStreamPSTN Network Enterprise PBX (TDM or Hybrid) 4 © 2009 Wainhouse Research LLC. – Analysis and Information on Unified Communications

15. Multivendor Deployment 5 © 2009 Wainhouse Research LLC. – Analysis and Information on Unified Communications Telephony Application Server VP SIP VP Telephony Control Server SIP SIP Vendor 2 Legacy PBX Telephony Gateway Vendor 1 IP PBX PSTN Network Gateway Analog or Digital Phones IP or Digital Phones

16. Additional Topics Server Operating System Options LDAP Directory Options List and Street Costs OCS and Sametime Futures Deployment Considerations 6 © 2009 Wainhouse Research LLC. – Analysis and Information on Unified Communications Please join us at VoiceCon San Francisco 2009 where we will discuss choices in Unified Communications focusing on Microsoft OCS and IBM Sametime