Yealink SIP-T54S Administrator's Manual page 1052

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
Example
Parameter-
linekey.X.line
Parameter-
programablekey.X.line
Parameter-
expansion_module.X.key.Y.line
Description
1026
25-Record
27-XML Browser
28-History
30-Menu
32-New SMS
33-Status
34-Hot Desking
35-URL Record
37-Switch
38-LDAP
39-BLF List
40-Prefix
41-Zero Touch
42-ACD
43-Local Directory
45-Local Group
47-XML Directory
50-Phone Lock
51-Switch Account Up
52-Switch Account Down
56-Retrieve Park
61-Directory
66-Paging List
73-Custom Key
85-Favorite (Local Favorite) (only applicable to
CP860/CP920 IP phones)
linekey.1.type = 8
Configuration File
<y0000000000xx>.cfg
Configures the desired line to apply the key feature.