Martyn Davies Presentation at Emerging Communication Conference & Awards 2009 Europe

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2. When Will HD Voice Become a Reality? Martyn Davies 3. The Beginning 4. The 4kHz Bandwidth Limit 5. Legacy vs. HD Audio

• Legacy bandwidth = 4kHz(G.711)

• • Covers 80% of voice energy

• • Sounds like s,f and m,n lose clarity

• • Male vowels attenuated

• HD bandwidth around 7kHz (AMR-WB)

• • Packs greater frequency range into the same bandwidth

• • So air interface / capacity doesnt change much

CallsareSometimesMore Narrowband Spectral Energy Density Wideband Spectral Energy Density 6. Accelerating adoption in VoIP networks

• • Skype-to-Skype (400M users)

• Orange fixed broadband in France

• • 500K triple play subs with HD Voice

• Enterprise: IP-PBXs support HD phones:

• • Cisco, Avaya,

• • Microsoft Communicator RT-Audio

• HD SIP telephones:

• • Polycom, Snom, Cisco, Avaya, Gigaset

• HD conferencing services:

• • Citrix (Vapps), ZipDX

Enterprise Networks Residential Broadband 7. Mobiles Overtake Everything Source:ITU World ICT Indicators, June 2008 8. What Does HD Voice Touch? Core Interconnect Conference IVR / SRF Handset BTS Announcements Backhaul Air Interface 9. Tandem Free Operation (TFO)

• Subverts the bearer channel

• Tunnels a more modern codec

• Suitable for legacy GSM

10. Transcoder Free Operation (TrFO)

• Uses BICC signalling

• Suitable for 3G/UMTS/CDMA2000 networks

11. GSMAs IP eXchange (IPX)

• Encourages mobile operators to peer with IP

• End-to-end codec negotiation (AMR-WB, EFR)

12. Some Issues

• Handsets

• Legacy systems (IVR, conf., gateways)

• Hand-overs / coverage

• Peering

Core Interconnect Conference IVR / SRF Handset BTS Announcements Backhaul Air Interface 13. 9 September 2009

• Orange Moldova launches Mobile HD voice

• • Nokia 6720 Classic handsets(AMR-WB version)

at 09:09h sharp! 14. Dialogic, Dialogic Pro, Brooktrout, Diva, Cantata, SnowShore, Eicon, Eicon Networks, NMS Communications, NMS (stylized), Eiconcard, SIPcontrol, Diva ISDN, TruFax, Exnet, EXS, SwitchKit, N20, Making Innovation Thrive, Connecting to Growth, Video is the New Voice, Fusion, Vision, PacketMedia, NaturalAccess, NaturalCallControl, NaturalConference, NaturalFax and Shiva, among others as well as related logos, are either registered trademarks or trademarks of Dialogic Corporation or its subsidiaries (Dialogic). The names of actual companies and products mentioned herein are the trademarks of their respective owners. Dialogic encourages all users of its products to procure all necessary intellectual property licenses required to implement their concepts or applications, which licenses may vary from country to country. Dialogic may make changes to specifications, product descriptions, and plans at any time, without notice. USE CASE(S) Any use case(s) shown and/or described herein represent one or more examples of the various ways, scenarios or environments in which Dialogic products can be used. Such use case(s) are non-limiting and do not represent recommendations of Dialogic as to whether or how to use Dialogic products. 10/09 www.dialogic.com tw: @martyndavies 15.