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Codec
Specifies the codec to be used when decoding audio.
Select one of the following values:
• G711 u-law
•
Intercom quality
•
A narrowband audio codec that provides toll-qual-
ity audio at 64 kbps. The u-law version is primarily
used in North America and Japan.
• G711 a-law
•
Intercom quality
•
A narrowband audio codec that provides toll-qual-
ity audio at 64 kbps. The a-law version is primarily
used in most countries outside of North America
and Japan.
• G722
•
Tone and paging quality
•
A wideband audio codec operating at 48, 56, and
64 kbps.
• OPUS
•
Music quality
•
An audio codec format designed for speech and
general audio, supporting low latency, constant and
variable bitrate encoding (6 to 510 kbps), and five
sampling rates (from 8 to 48 kHz).
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