Yealink SIP-T2 Series Administrator's Manual page 309

Default 1
Web UI Features->General Information->Play Hold Tone
Parameter features.play_hold_tone.delay
It configures the time (in seconds) to wait for the IP phone to play the initial call hold tone.
If it is set to 30 (30s), the IP phone will wait 30 seconds to play the initial call hold tone after you place a
Description
call on hold.
Note: It works only if "features.play_hold_tone.enable" is set to 1 (Enabled).
Permitted
Integer from 3 to 3600
Values
Default 30
Web UI Features->General Information->Play Hold Tone Delay
Parameter features.play_hold_tone.interval
It configures the time (in seconds) between subsequent call hold tones.
If it is set to 3 (3s) and "features.play_hold_tone.delay" is set to 30 (30s), the IP phone will begin to play a
Description
hold tone after you place a call on hold for 30 seconds, and repeat the call hold tone every 3 seconds.
Note: It works only if "features.play_hold_tone.enable" is set to 1 (Enabled).
Permitted
Integer from 3 to 3600
Values
Default 30
Web UI Features->General Information->Hold Tone Interval(second)
Parameter features.play_held_tone.enable
Description It enables or disables the IP phone to play the call held tone when a call is held by the other party.
Permitted
0-Disabled
1-Enabled
Values
Default 0
Web UI Features->General Information->Play Held Tone
Parameter features.play_held_tone.delay
It configures the time (in seconds) to wait for the IP phone to play the initial call held tone.
If it is set to 30 (30s), the IP phone will wait 30 seconds to play the initial call held tone after you are held
Description by the other party.
Note: It works only if the Music on Hold feature is disabled and "features.play_held_tone.enable" is set to
1 (Enabled).
Permitted
Integer from 3 to 3600
Values
Default 30
Web UI Features->General Information->Play Held Tone Delay
Parameter features.play_held_tone.interval
Description It configures the time (in seconds) between subsequent call held tones.
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Call Features
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