Make A Call - ZyXEL Communications ISG50-ISDN Application Note

Make a call

You can make a call by directly clicking on the user in the "Contacts"
or by typing a phone number in the blank. In this example, barbara is
making a call to tina.
When tina gets the incoming call, a notification window will pop up
and the status button will flash. When tina picks up the phone, the
notification window will become "In conversation".
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