User guide

Appendix
217
Parameter
Permitted
Values
Descriptions
Web Setting Path
The default value is 1.
features.play_hold_tone.delay
Integer from 3
to 3600
It configures the interval (in seconds) at which
the IP phone plays a hold tone.
If it is set to 30 (30s), the IP phone will play a
hold warning tone every 30 seconds when
there is a call on hold.
The default value is 30.
Note: It works only if the value of the
parameter “features.play_hold_tone.enable”
is set to 1 (Enabled).
Features->General Information->Play
Hold Tone Delay
features.redial_tone
Integer within
6 digits
It configures the IP phone to continue to play
the dial tone after inputting the preset
numbers in the pre-dialing screen.
Example:
features.redial_tone = 125
The IP phone will continue to play the dial
tone after inputting “125” in the pre-dialing
screen.
If it is left blank, the IP phone will not play the
dial tone after inputting numbers in the
Features->Audio->Redial Tone