Configures the length of time (in seconds)
before the IP phone state is automatically
changed to available.
Note: It works only if the parameter
“acd.auto_available” is set to 1 (Enabled).
Enables or disables the IP phone to
subscribe the message waiting indicator to
the account for account X.
If it is set to 1 (Enabled), the IP phone will
send a SUBSCRIBE message to the server
for message-summary updates.
X ranges from 1 to 6.