Can I configure codec preference? What is the best codec for LAN and WAN?

No, you can't configure codec preference. We recommend you to use the following codecs for WAN and LAN:

LAN:

  • PCMA/a-Law/G.711a
  • PCMU/u-Law/G.711b
  • L16

WAN:

  • G722
  • GSM

If you have any questions or comments please do not hesitate to contact us at info@ozekiphone.com

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