Yealink SIP-T2 Series Provisioning Manual page 210

Yealink IP Phones Auto provisioning Guide
Permitted
Parameter
account.X.acd
.enable =
(SIP-T28: X
ranges from 1
to 6.
SIP-T26P/T22P:
X ranges from
1 to 3.
SIP-T20P: X
ranges from 1
to 2)
account.X.acd
.available =
(SIP-T28: X
ranges from 1
to 6.
SIP-T26P/T22P:
X ranges from
1 to 3.
SIP-T20P: X
ranges from 1
to 2)
account.X.sub
scribe_acd_ex
pires =
(SIP-T28: X
ranges from 1
to 6.
Integer from
120 to 3600
SIP-T26P/T22P:
X ranges from
1 to 3.
SIP-T20P: X
ranges from 1
to 2)
200
Values
It enables or disables ACD feature for
account X.
0-Disabled
0 or 1
1-Enabled
The default value is 0.
It enables or disables the phone to
display the available and unavailable
soft keys for account X after the phone
logs into the ACD system.
0 or 1
0-Disabled
1-Enabled
The default value is 0.
It configures the period (in seconds) of
ACD subscription for account X.
The default value is 1800.
Descriptions Web Setting Path
Account->
Advanced->ACD
Subscrip Period
(120~3600s)