| Configuring the Audio Settings |
129
Parameter
Description
Configuration Method
Opus Sample Rate
Configure the sample rate of the
opus audio codec.
• Opus-FB(48KHZ)
• Opus-SWB(24KHZ)
• Opus-WB(16KHZ)
• Opus-MB(12KHZ)
• Opus-NB(8KHZ)
Default
: Opus-FB(48KHZ).
Web user interface
Special audio codec byte
sequence
Enable or disable the special
audio codec byte sequence.
•
Off—
keep the current codec
byte sequence.
•
On—
different devices have
different definition about
audio codec byte sequence,
which may lead to the audio
incompatibility problems
between Yealink and certain
devices. You can enable
this feature to solve these
incompatibility problems.
Default
: Off.
Web user interface
Video Codecs
The video codecs that the system uses to establish a call should be supported by the server. When placing a call, the
system will offer the enabled video codec list to the server and then use the video codec negotiated with the called
party according to the priority.
•
•
•
Supported Video Codecs
The following table summarizes the supported video codecs on the system:
Name
MIME Type
Bit Rate
Frame
Rate
Frame Size
H.264 HP
H264/90000
H.264
H264/90000
Tx: 360P, 540P, 720P, 1080P
Rx: Conventional Size Below 1080P
H.263
H263/90000
Tx: CIF, 4CIF
Rx: QCIF, CIF, 4CIF
H.263+ (it is not
applicable to VP59)
H263/90000
90—2048
kbps
5—30 fps
Tx: CIF
Rx: CIF