Yealink SIP-T2 Series

Configuring Basic Features
411
Specify whether RFC 2543
(c=0.0.0.0) outgoing hold signaling
is used.
Parameter:
sip.rfc2543_hold
Specify whether to use inactive hold
signaling.
Parameter:
account.X.hold_use_inactive
Web User Interface
Configure the call hold tone and call
hold tone delay.
Specify whether RFC 2543
(c=0.0.0.0) outgoing hold signaling
is used.
Navigate to:
http://<phoneIPAddress>/servlet?p
=features-general&q=load
Details of Configuration Parameters:
Parameters
Permitted Values
Default
features.play_hold_tone.enable
0 or 1
1
Description:
Enables or disables the IP phone to play a warning tone when there is a call on hold.
0-Disabled
1-Enabled
Web User Interface:
Features->General Information->Play Hold Tone
Phone User Interface:
None
features.play_hold_tone.delay
Integer from 3 to 3600
30
Description:
Configures the interval (in seconds) at which the IP phone play a warning tone when there is
a call on hold.
If it is set to 30 (30s), the IP phone will play a warning tone every 30 seconds when there is a
call on hold.