Yealink Yealink SIP-T28P, Руководство администратора

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Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
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If it is set to 0 (UAC), refreshing the session is
performed by the IP phone.
If it is set to 1 (UAS), refreshing the session is
performed by a SIP server.
X ranges from 1 to 6.
Format Integer
Default Value 0
Range
Valid values are:
0-UAC
1-UAS
Example account.1.session_timer.refresher = 0
Parameter-
features.play_hold_tone.enable
Configuration File
<y0000000000xx>.cfg
Description
Enables or disables the IP phone to play a
tone when there is a hold call on the IP
phone.
Format Boolean
Default Value 1
Range
Valid values are:
0-Disabled
1-Enabled
Example features.play_hold_tone.enable = 1
Parameter-
features.play_hold_tone.delay
Configuration File
<y0000000000xx>.cfg
Description
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).