Yealink SIP-T2 SERIES Administrator's Manual page 610

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Phone User Interface:
Menu->Features->Paging List->Option->Edit->Label
Multicast Paging Key
For more information on how to configure the DSS Key, refer to
Key on page 987.
Details of Configuration Parameters:
linekey.X.type/
programablekey.X.type/
expansion_module.X.key.Y.type
Description:
Configures a DSS key as a multicast paging key on the IP phone.
The digit 24 stands for the key type Multicast Paging.
For line keys:
X ranges from 1 to 29 (for SIP VP-T49G/SIP-T48G)
X ranges from 1 to 27 (for SIP-T46G/T29G)
X ranges from 1 to 15 (for SIP-T42G/T41P)
X ranges from 1 to 21 (for SIP-T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
For programable keys:
X=1-6, 9, 13 (for CP860)
For ext keys:
X ranges from 1 to 6, Y ranges from 1 to 20, 22 to 40 (Ext key 21 cannot be configured).
Example:
linekey.2.type = 24
Default:
For SIP VP-T49G/SIP-T48G IP phones:
The default value of the line key 1-16 is 15, and the default value of the line key 17-29 is 0.
For SIP-T46G/T29G IP phones:
The default value of the line key 1-16 is 15, and the default value of the line key 17-27 is 0.
For SIP-T42G IP phones:
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Parameters
Parameters
Permitted Values
Appendix D: Configuring DSS
Permitted Values
Refer to the following
24
Default
Default
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