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).
When the key feature is configured as Local
Group, valid values are:
0-All contacts
1-First local group
…
5-Fifth local group
When the key feature is configured as XML
Group (remote phone book), valid values are:
0-First XML group
1-Second XML group
…
4-Fifth XML group
Configures a DSS key as a keypad lock key on
the IP phone.
The digit 50 stands for the key type Keypad
Lock.
For the memory key, x ranges from 1 to 10.