WorlddDialPoint - First Provider in Australia to support the Opus Codec

  • Saturday, 15th August, 2015
  • 18:54pm
WorldDialPoint first in Australia to support the Opus Codec on its own network.

As off today we are announcing that our network support the OPUS CODEC.

Why this codec?
Opus is a totally open, royalty-free, highly versatile audio codec and performs better then iLBC / G729a and all other codecs. Opus is unmatched for interactive speech and music transmission over the Internet

What is the techhnology behind the Opus codec
Opus can handle a wide range of audio applications, including Voice over IP, videoconferencing, in-game chat, and even remote live music performances. It can scale from low bitrate narrowband speech to very high quality stereo music. Supported features are:
  • Bitrates from 6 kb/s to 510 kb/s
  • Sampling rates from 8 kHz (narrowband) to 48 kHz (fullband)
  • Frame sizes from 2.5 ms to 60 ms
  • Support for both constant bitrate (CBR) and variable bitrate (VBR)
  • Audio bandwidth from narrowband to fullband
  • Support for speech and music
  • Support for mono and stereo
  • Support for up to 255 channels (multistream frames)
  • Dynamically adjustable bitrate, audio bandwidth, and frame size
  • Good loss robustness and packet loss concealment (PLC)
  • Floating point and fixed-point implementation
  • Performs very good on mobile networks like 3G/4G
Performance of Opus codec against other codec's
Read here https://www.opus-codec.org/comparison/

What software supports Opus Codec?

Unfortuneley not much software yet support this great codec
Some software that do provide support are
Linphone - http://www.linphone.org/technical-corner/linphone/features 
Phonerlite - http://www.phonerlite.de/
Zoiper - http://www.zoiper.com/en/screenshots#mobile-ios
CSipsimple - https://code.google.com/p/csipsimple/ 

IP Phones that supports the Opus Codec?
Not much but the main companies seems to be working on a release soon.
The only one we found is
Obihai - http://www.obitalk.com/info/products/obi1032

How do can I use this codec?
If you opened an account as of 15/08/2015 the codec is enabled by defualt otherwise you will need to contact us to enable it.


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