Martyn Davies Presentation at Emerging Communication Conference & Awards 2009 Europe
Upcoming SlideShare
Loading in...5
×
 

Martyn Davies Presentation at Emerging Communication Conference & Awards 2009 Europe

on

  • 844 views

 

Statistics

Views

Total Views
844
Views on SlideShare
840
Embed Views
4

Actions

Likes
0
Downloads
20
Comments
0

1 Embed 4

http://www.slideshare.net 4

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment
  • Need wideband phone Need 3G equipment that will leave bearer untouched Need IMS equipment that will leave bearer untouched Need Media server that is wideband enabled

Martyn Davies Presentation at Emerging Communication Conference & Awards 2009 Europe Martyn Davies Presentation at Emerging Communication Conference & Awards 2009 Europe Presentation Transcript

  •  
  • When Will HD Voice Become a Reality? Martyn Davies
  • The Beginning
  • The 4kHz Bandwidth Limit
  • 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 doesn’t change much
    … Calls are Sometimes More… Narrowband Spectral Energy Density Wideband Spectral Energy Density
  • 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
  • Mobiles Overtake Everything Source: ITU World ICT Indicators, June 2008
  • What Does HD Voice Touch? Core Interconnect Conference IVR / SRF Handset BTS Announcements Backhaul Air Interface
  • Tandem Free Operation (TFO)
    • Subverts the bearer channel
    • Tunnels a more modern codec
    • Suitable for legacy GSM
  • Transcoder Free Operation (TrFO)
    • Uses BICC signalling
    • Suitable for 3G/UMTS/CDMA2000 networks
  • GSMA’s IP eXchange (IPX)
    • Encourages mobile operators to peer with IP
    • End-to-end codec negotiation (AMR-WB, EFR)
  • Some Issues
    • Handsets
    • Legacy systems (IVR, conf., gateways)
    • Hand-overs / coverage
    • Peering
    Core Interconnect Conference IVR / SRF Handset BTS Announcements Backhaul Air Interface
  • 9 September 2009
    • Orange Moldova launches Mobile HD voice
      • Nokia 6720 Classic handsets (AMR-WB version)
    at 09:09h sharp!
  • 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
  •