User Manual

Appendix
399
This section provides the DSS key parameters you can configure on IP phones. DSS key
consists of memory key, line key and programable key. The following table lists the
number of DSS keys you can configure for each phone model:
Phone Model
Line Key
Memory Key
Programable Key
SIP-T28P
6
10
14
SIP-T26P
3
10
14
SIP-T22P
3
/
13
SIP-T21P
2
/
11
SIP-T20P
2
/
9
SIP-T19P
/
/
11
Note
DSS key can be assigned with various key features. The parameters of the DSS key are
detailed in the following:
Parameter-
memorykey.X.type
Configuration File
<y0000000000xx>.cfg
Parameter-
linekey.X.type
Parameter-
programablekey.X.type
Description
Configures key feature for the DSS key.
For the memory key, x ranges from 1 to 10.
For the line key, x ranges from 1 to 6.
For the programable key, x ranges from 1 to 14
(For SIP-T19P IP phones, x=1-9, 13, 14; For
SIP-T20P IP phones, x=5-12, 14; For SIP-T21P IP
phones, x=1-10, 14; For SIP-T22P IP phones,
x=1-10, 12-14; For SIP-T26P/T28P IP phones, x
ranges from 1 to 14).
For memory keys:
Valid types are:
 N/A
The programable key takes effect only if the IP phone is idle.