Audio Codecs; Supported Audio Codecs - Yealink W60P Administrator's Manual

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Administrator's Guide for W60P DECT IP Phones
Select the desired value from the pull-down list of Ringer Device for Headset.
2.
Click Confirm to accept the change.
3.

Audio Codecs

CODEC is an abbreviation of COmpress-DECompress, capable of coding or decoding a digital
data stream or signal by implementing an algorithm. The object of the algorithm is to represent
the high-fidelity audio signal with minimum number of bits while retaining the quality. This can
effectively reduce the frame size and the bandwidth required for audio transmission.
The audio codec that the phone uses to establish a call should be supported by the SIP server.
When placing a call, the DECT IP phone will offer the enabled audio codec list to the server and
then use the audio codec negotiated with the called party according to the priority.

Supported Audio Codecs

The following table summarizes the supported audio codecs on DECT IP phones:
Codec
G722
PCMA
PCMU
G729
G726-16
G726-24
G726-32
G726-40
iLBC
opus
368
Algorithm
Reference
G.722
RFC 3551
G.711 a-law
RFC 3551
G.711 u-law
RFC 3551
G.729
RFC 3551
G.726
RFC 3551
G.726
RFC 3551
G.726
RFC 3551
G.726
RFC 3551
iLBC
RFC 3952
opus
RFC 6716
Sample
Bit Rate
Rate
64 Kbps
16 Ksps
64 Kbps
8 Ksps
64 Kbps
8 Ksps
8 Kbps
8 Ksps
16 Kbps
8 Ksps
24 Kbps
8 Ksps
32 Kbps
8 Ksps
40 Kbps
8 Ksps
15.2 Kbps
8 Ksps
13.33 Kbps
16 Kbps
8 Ksps
Packetization
Time
20ms
20ms
20ms
20ms
20ms
20ms
20ms
20ms
20ms
30ms
20ms

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