Yealink SIP-T46G Administrator's Manual page 195

To configure dual headset via web user interface:
1.
2.
3.
CODEC is an abbreviation of COmpress-DECompress. It is 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 transmission of the audio.
The default codecs used on IP phones are summarized in the following table:
In addition to the codecs introduced above, IP phones also support the codecs:
G723_53, G723_63, G726_16, G726_24, G726_32, G726_40, iLBC, iLBC_13_3, iLBC_15_2
and GSM. You can configure the preferred codecs to use on a per-account basis
instead of using the default codecs. You can also configure the priorities for the enabled
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299
Click on Features->General Information.
Select the desired value from the pull-down list of Dual-Headset.
Click Confirm to accept the change.
Codec Algorithm
PCMA G.711 a-law
PCMU G.711 u-law
G729 G.729
G722 G.722
Bit Rate Sample Rate
64 Kbps 8 Ksps
64 Kbps 8 Ksps
8 Kbps 8 Ksps
64 Kbps 16 Ksps
Configuring Audio Features
Packetization Time
20ms
20ms
20ms
20ms
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