SIP Interoperability:

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William Rich President CEO Pingtel Corp

• SIP Interoperability
• Leveling the Playing Field

August 2005
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Why is SIP Interoperability important

• to vendors?
• Fosters rapid development of new features
• Simplifies customer support
• Eliminates traditional market barriers
• to service providers?
• Allows competion based on innovation service
• Allows for standardized offers
• Simplifies customer turn-up
• Simplifies customer support

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Why is interoperability important to customers?

• Offers investment protection
• Offers multi-vendor choice
• Improves user productivity with new innovation

• IT economics helps customers...

SAVES MONEY! DRIVES INNOVATION!
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Forces Driving SIP Interoperability
Standards Bodies Industry Forums
Service Providers
Mobile Convergence
Interoperability
Open Source Community
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Forces Driving SIP Interoperability
The most important driving force?
Interoperability
Hardware Vendors
Customers!
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How far have we come?

• SIP was first standardized in 1999 by the IETF
  with RFC 2543
• In 2002, the IETF replaced RFC 2543 with RFC 3261
• The standard for todays SIP devices and
  applications
• There have been 16 SIPit events since 1999
• Vendor participation continues to grow at a rapid
  pace
• SIP is now the defacto standard for telecom
• SIP along with VoIP has Crossed the Chasm

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Timeline - Interop Challenges

• 2 years ago
• Basic calling features (transfer, hold)
• Conferencing and Codecs

• Basic Calling
• All commercially available SIP phones and
  gateways support basic calling features in a
  multi-vendor environment

• Last year
• Advanced calling features (call pick-up, call
  park)
• Attendant Console (DSS\BLF)

• Advanced Calling
• Vendors are now rolling out Dialog Events Package
  to support advanced PBX features

All generally required communications features
are now supported in SIP
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About SIPfoundry
Key Enabler For Innovation Interoperability

• Global Open Source Community
• Focus SIP Real-Time Communications Technology
  and Solutions
• Objective Create in open source the tools
  solutions to deliver integrated multi-media
  comms freedom and ubiquity
• Founded February 2004, www.sipfoundry.org

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Defining Vision - VoIP Should Be Like Email

• VoIP today Proprietary
• Proprietary hardware
• Proprietary feature islands
• As expensive as TDM
• As inflexible as TDM

• Email A hosted service
• Ubiquitous with global reach
• Hosted IT service
• Plug play standard SIP
• Integrated into the Internet

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Key Projects

• User Agent softphones SDKs

sipX Enterprise SIP PBX Proxy
repro Carrier class SIP Server Proxy
SIP Forum Test Framework open source SIP
compliance testing
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SIPfoundry Activities
Rapid Community Growth
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Strong Industry Adoption
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So what does this all mean?

• SIP has tremendous traction and is driving all
  future communications (Voice, Video, IM)
• SIP is no longer a vendor idea. Driven by
  customers now!
• SIP architecture is applying IT economics to
  telecom in todays enterprise
• Levels the playing field for new market entrants

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Thank You!

• Please stop to find out how you can get involved
  in open source SIP development!