Go to Intercom-Basic to configure.
Max Call Time: To configure the max call time.
Dial In Time: To configure the max incoming dial time, available
when auto answer is disabled.
Dial Out Time: To configure the max no answer call time.
Note: If you are using Direct IP call , the Max Call Time Range is 2
-30 minutes.
If you are using sip account, the time may be limited by the sip
server.
Go to Phone - Call Feature to configure.
Intercom: Intercom allows users to establish a call directly with the
Figure 4.2.1 Call time related