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1.2 Making Calls
44 User Manual
• WARNING
When you enable the Outside-to-Outside Call feature of DISA, and a third party
discovers the password (verified code PIN/extension PIN) of the PBX, there will be
a risk that they will make fraudulent phone calls using the telephone line, and the
cost will be charged to your own account. In order to avoid this problem, we
strongly recommend the following points:
a) Carefully maintain the secrecy of the PIN.
b) Specify a complicated PIN as long and random as you can make it.
c) Change the PIN frequently.
• Time limit
Both parties will hear an alarm tone fifteen seconds before the specified time limit. To
extend, press any dial button except .
• If Built-in Automated Attendant service is set, you can access the desired extension
simply by pressing a single digit (0-9) from the options given the prerecorded message.