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Codecs

Which codecs does sipcall support?

sipcall supports the following codecs:

  • G722
  • G711 A-law (PCMA, G711A)
  • G711 μ-law (PCMU, G711MU)
  • OPUS
  • G729
  • G726
  • T.38
  • telephone-event
  • H264 (video codec)

Which codecs does sipcall recommend?

We recommend configuring no more than three audio codecs on your device:

  1. Priority: G722
  2. Priority: G711 A-law (PCMA, G711A)
  3. Priority: G711 μ-law (PCMU, G711MU)

The audio codecs G711 μ-law or G711 μ-law are supported by most providers and devices, while G722 is an HD audio codec and is supported by some providers.