Yealink SIP-T54S Administrator's Manual page 674

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
Configures the period (in seconds) of ACD subscription for account X.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Note: It works only if the value of the parameter "account.X.acd.enable" is set to 1
(Enabled).
Web User Interface:
Account->Advanced->ACD Subscribe Period(120~3600s)
Phone User Interface:
None
acd.auto_available
Description:
Enables or disables the IP phone to automatically change the status of the ACD agent to
available after the designated time.
0-Disabled
1-Enabled
Note: It works only if the value of the parameter "account.X.acd.enable" is set to 1
(Enabled).
Web User Interface:
Features->ACD->ACD Auto Available
Phone User Interface:
None
acd.auto_available_timer
Description:
Configures the interval (in seconds) for the status of the ACD agent to be automatically
changed to available.
Note: It works only if the values of parameters "account.X.acd.enable" and
"acd.auto_available" are set to 1 (Enabled).
Web User Interface:
Features->ACD->ACD Auto Available Timer (0~120s)
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Parameters Permitted Values
0 or 1
Integer from 0 to 120
Default
0
60