© 2008 AudioCodes Ltd. All rights reserved.

AudioCodes Confidential Proprietary

Alan D. PercyDirector or Market Development

HD CommunicationsReaching our Goal

To Reach our Goal…

Awareness

Educating Industry onHigh Definition VoIP

Doubles sampling rate from 8 to 16 kHzExtends bandwidth range

From 200 Hz – 3.4 kHz To 50 Hz – 7.1 kHz

Substantially higher voice qualitySuperior Clarity, Intelligibility and Richer Sound

Expert Opinion

HD at CableLabs

Formation of HDConnect

Photo by: Brough Turner

What’s Next?

We’ve created the “Hype”Now how do we make it stick?

DemonstrationsCase Studies and Success StoriesProduct Introductions and EnhancementsCoordinate our efforts?

Where is it Happening?

Moldova

Carriers are announcing products…

“Orange Moldova has upgraded the voice sound quality on its network to support the WB-AMR codex. This is the second step in Orange's high-definition (HD) voice strategy, following on from the launch of a high-definition voice service for VoIP calls in 2006. Over 500,000 Livephone devices have already been sold in France and the range will be extended to other Orange countries over the coming months.”

1.7 million customers and coverage over 63% of population

Where is it Happening?

Japan

And equipment announcements…

“OKI Electric Industry (TOKYO:6703) today announced it is first in the industry to add a carrier-grade wideband codec conversion function to its session border controller (SBC)*1 “CenterStage® NX3200.” The equipment is compatible with wideband codecs such as ITU-T*2 G.711.1, ”

To Reach our Goal…

Awareness

Applications

Software Applications

Only a few applications are “HD” or “HD Ready”:SoftswitchesConferencingAnnouncementsVoice MessagingSpeech Engines

We need to evangelize more software partners

To Reach our Goal…

Awareness

Applications Peering

HD Peering – Our Next Hurdle

Today, most of the HD deployments are islands

Metcalfe’s Law

Says: the value of a telecommunications network is proportional to the square of the number of connected users of the system (n2).

Percy’s Corollary:

Says: the value of a HD telecommunications network is proportional to the square of the

number of connected HD users of the system (n2).

HD HD

HD

HD

HD

HDHD

HD Peering – Our Next Hurdle

Much like Fax machines in the 70’s, you need HD from island-to-island for customers adoption

IP Peering is paramount to truly realize value

Proposal: Form an “HD Connect Peering” committee for the carriers and their vendors.

Objective: work out the technical and business issues to enable HD IP Peering

To Reach our Goal…

EquipmentAwareness

Applications Peering

HD-Capable IP Phones

We’ve got this covered….

Which Voice Coder?

There will not be “one universal HD coder”

Moving to a world of specialized codersWireline, wireless, enterprise, hosted…Continued innovation and improvements– Better sounding– Better compression– Better error mitigation

Stereo – not far off

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1990 1995 2000 2006

# Vocoders

Which Voice Coder?

What if Video had only “one coder”?Many of today’s portable video innovations wouldn’t exist!

Enterprise Mobile

Cable

Connecting The Islands

HD is possible between networks. However, conversion from one coder to another (transcoding)

between networks is required

IP

AudioCodesIP Phone(G.722)

DECT CAT-iq Phone

NokiaE71

Mobilewith SIPClient

(AMR-WB)

EnterpriseMobile

(WiFi)

Cable

High Definition Call

Wide-Band Transcoding:

IP

AudioCodesIP Phone(G.722)

AudioCodesMediant 3000

AMR-WB

DECT CAT-iq Phone

NokiaE71

Mobilewith SIPClient

(AMR-WB)

G.722

Bringing The Pieces TogetherIs How We Reach our Goal…

EquipmentAwareness

Applications Peering

www.audiocodes.com/hdvoip