Yealink SIP-T2XP Administrator's Manual page 326

Administrator's Guide for SIP-T2xP and SIP-T19P IP Phones
Example
Parameter-
features.play_hold_tone.delay
Description
Format
Default Value
Range
Example
Parameter-
sip.rfc2543_hold
Description
Format
Default Value
Range
Example
310
1-Enabled
features.play_hold_tone.enable = 1
Configuration File
<y0000000000xx>.cfg
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 tone every 30 seconds when there is a
hold call on the IP phone.
Note: It works only if the parameter
"features.play_hold_tone.enable" is set to 1
(Enabled).
Integer
30
3 to 3600
features.play_hold_tone.delay = 30
Configuration File
<y0000000000xx>.cfg
Configures whether RFC 2543 (c=0.0.0.0)
outgoing hold signaling is used.
If it is set to 0 (Disabled), SDP media direction
attributes (such as a=sendonly) per RFC 3264
is used when placing a call on hold.
If it is set to 1 (Enabled), SDP media
connection address c=0.0.0.0 per RFC 2543 is
used when placing a call on hold.
Boolean
0
Valid values are:
0-Disabled
1-Enabled
sip.rfc2543_hold = 0