Configures the intercom number.
For the memory key, x ranges from 1 to 10.
For the line key, x ranges from 1 to 6.
Note: It is not applicable to SIP-T19P IP phones.
Configures a DSS key as an LDAP key on the IP
phone.
The digit 38 stands for the key type LDAP.
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-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).
Note: It is not applicable to SIP-T19P and SIP-T20P
IP phones.