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.
Go to Intercom->Action to set action receiver.
Sender’s email address: To configure email address of
sender.
Receiver’s email address: To configure email address of
receiver.
SMTP server address: To configure SMTP server address of
sender.
SMTP user name: To configure user namer of SMTP
service(usually it is same with sender’s email address).