User guide

Yealink SIP-T4X IP Phones Auto Provisioning Guide
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be composited at most four different
frequencies.
Duration: the duration (in milliseconds)
of the ring tone, ranges from 0 to
30000ms.
The exclamation point (!) can be
added optionally, which means the
custom tone will be only played once.
You can configure at most eight
different tones for one condition. Tones
are separated by comma (e.g.,
250/200, !0/1000, 200+300/500,
600+700+800+1000/2000).
voice.tone.rin
g =
String
It customizes the ring-back tone when
the parameter "voice.tone.country" is
configured as Custom.
The value format is F/D or !F/D. For
more information on the value format,
refer to the parameter
“voice.tone.dial”.
The default value is blank.
Settings->Tones->
Ring Back
voice.tone.bus
y =
String
It customizes the busy tone when the
parameter "voice.tone.country" is
configured as Custom.
The value format is F/D or !F/D. For
more information on the value format,
refer to the parameter
“voice.tone.dial”.
The default value is blank.
Settings->Tones->
Busy
voice.tone.con
gestion =
String
It customizes the tone for network
congestion when the parameter
"voice.tone.country" is configured as
Custom.
The value format is F/D or !F/D. For
more information on the value format,
refer to the parameter
“voice.tone.dial”.
The default value is blank.
Settings->Tones->
Congestion
voice.tone.call
waiting =
String
It customizes the call waiting tone
when the parameter
"voice.tone.country" is configured as
Settings->Tones->
Call Waiting