This article explains Call Hold configurations for Yealink devices.
Hold Tone
features.play_hold_tone.enable
This parameter enables or disables the phone to play the call hold tone through the speaker when a user places a call on hold.
Permitted Values
0 - Disabled
1 - Enabled (Default)
Web UI
Features > General Information > Play Hold Tone
Hold Tone Initial Timer
features.play_hold_tone.delay This parameter configures the time (in seconds) to wait for the phone to play the initial call hold tone. If, for example, it is set to 30 (30s), the phone will wait 30 seconds to play the initial call hold tone after the user places a call on hold.
This parameter requires “features.play_hold_tone.enable” to be set to 1 (Enabled).
Permitted Values
Integer from 3 to 3600 (Default 30)
Web UI
Features > General Information > Play Hold Tone Delay
Hold Tone Subsequent Timer
features.play_hold_tone.interval This parameter configures the time (in seconds) between subsequent call hold tones. If, for example, it is set to 3 (3s) and “features.play_hold_tone.delay” is set to 30 (30s), the phone will begin to play a hold tone after you place a call on hold for 30 seconds, and subsequently repeat the call hold tone every 3 seconds.
This parameter requires “features.play_hold_tone.enable” to be set to 1 (Enabled).
Permitted Values
Integer from 3 to 3600 (Default 30)
Web UI
Features > General Information > Hold Tone Interval (second)