Yealink SIP-T2xP Auto Provisioning Manual page 197

Parameter
features.busy_tone_delay =
features.send_pound_key =
features.key_as_send =
features.send_key_tone =
Permitted Values
The default value is 1.
It configures the duration time (in seconds)
for the busy tone.
0, 3 or 5
The default value is 0.
It configures whether to send one pound key
by pressing the pound key twice when the
pound key is configured as a send key.
0 or 1
0-Send one pound key
1-Do not send any pound key
The default value is 0.
It configures the "#" or "*" key as a send key.
0-Disabled
1-# key
2-* key
0, 1 or 2
The default value is 1.
Note: The old parameter
"features.pound_key.mode" is also
applicable to IP phones.
0 or 1
It enables or disables the phone to play key
Descriptions
Features->General Information->Busy
Tone Delay (Seconds)
Features->General Information->Send
Pound Key
Features->General Information->Key
As Send
Features->Audio-> Send Sound
Appendix
Web Setting Path
187