Yealink VC800 - Page 135

Configuring Call Preferences
121
Codec
Algorithm
Bit Rate
Sample Rate
Reference
G.722.1c
24 Kbps
32 Ksps
RFC 5577
G.722.1
G.722.1
24 Kbps
16 or 32 Ksps
RFC 5577
G722
G.722
64 Kbps
16 Ksps
RFC 3551
PCMU
G.711 u-law
64 Kbps
8 Ksps
RFC 3551
PCMA
G.711 a-law
64 Kbps
8 Ksps
RFC 3551
opus
opus
16 Kbps
20 Kbps
8 Ksps
16 Ksps
RFC 6716
Audio codecs parameters on the system are described below:
Parameter
Description
Configuration Method
Enable Codecs
Specifies the enabled audio codecs
for the system to use.
Note: All support audio codecs are
enabled on the system by default.
Web User Interface
Disable Codecs
Specifies the disabled audio codecs
for the system not to use.
Web User Interface
Special audio
codec byte
sequence
Enables or disables the special audio
codec byte sequence.
Note: Different devices have
different definition about how some
Codecs are stored (Big-endian or
little-endian), which may lead to the
audio incompatibility problems
between Yealink and certain devices.
You can enable the special audio
codec byte sequence feature to
solve these incompatibility
problems.
Web User Interface
To configure audio codecs via web user interface:
1. Click on Account->Codec.
2. Select the desired codec from the Disable Codecs or the Enable Codecs column.
3. Click or to disable or enable the selected codec.
4. Select the desired audio codec from the Enable Codecs column, and click or to
adjust the priority of the selected audio codecs.