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How To Change Preferred Codec (Individual Extension)
8x8 Support Knowledge Base

How To Change Preferred Codec (Individual Extension)

Note: To change the preferred codec for individual extensions in Virtual Office Configuration Manager, click here.

Overview

8x8 offers users their option of codecs to select for each extension. Adjusting this option has sometimes been found to be an effective troubleshooting step.

To adjust individual extension codec

  1. Log in to Account Manager.
  2. Click Phone System.
  3. Click View All Extensions > View.
  4. Find the extension which you want to edit and click Edit (to the left). The Edit Extension screen displays.
  5. Click the plus (+) icon to open the Extension Settings panel.
  6. Find Preferred Codec and select the codec from the pull-down.
  7. Click Save Changes at the bottom of the screen.
  8. The phone should restart within 30 seconds. If it does not, use the phone menu to manually restart.

More on Codec Settings

G.729 (compressed toll quality)

- Bandwidth: 30 kbps upload and 30 kbps download.
- Designed to conserve network bandwidth with slight decrease in voice quality.
- Compatible with all 8x8 devices except Virtual Office Mobile, KIRK Cordless phone and 8x8 Softphone.

G.711 (toll quality)

- Bandwidth: 90 Kbps upload and 90 Kbps download
- Designed for toll quality without any voice compression.
- Compatible with all 8x8 devices, Virtual Office Mobile and Softphone.

G.722 (HD voice quality)

- Bandwidth: 90 Kbps upload and 90 Kbps download
- Designed for high fidelity voice and best sound quality.
- Compatible with all 8x8 devices except Virtual Office Mobile, KIRK Cordless, 8x8 Softphone, Cisco SPA122 ATA, Softalk Office
and PSTN (traditional telephone service).
  • Changing codec from G.729 to G.711 or G.722(HD Voice) will require additional network and Internet bandwidth. Check with your network administrator before changing the codec.
  • Saving changes to your codec may cause the telephone to restart after the current call is completed. Reset will not interrupt a call in progress.

 

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