Yealink SIP-T2 SERIES Administrator's Manual page 449

ReCall Key
For more information on how to configure the DSS Key, refer to
Key on page 987.
Details of Configuration Parameters:
Parameters
linekey.X.type/
programablekey.X.type/
expansion_module.X.key.Y.type
Description:
Configures a DSS key as a recall key on the IP phone.
The digit 7 stands for the key type ReCall.
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=1-4, 12-14 (for SIP VP-T49G)
X=1-10, 12-14 (for SIP-T48G/T46G)
X=1-10, 13 (for SIP-T42G/T41P/T40P)
X=1-14 (for SIP-T29G/T27P)
X=1-10, 14 (for SIP-T23P/T23G/T21(P) E2)
X=1-9, 13, 14 (for SIP-T19(P) E2)
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:
Phone User Interface
Permitted Values
Configuring Basic Features
http://<phoneIPAddress>/servlet?p
=dsskey&q=load&model=0
For SIP VP-T49G:
http://<phoneIPAddress>/servlet?m
=mod_data&p=dsskey&q=load
Assign a recall key.
Appendix D: Configuring DSS
Default
Refer to the
7
following content
425