User guide

6510 UM Client Application User Guide 27
UM Client Manager and Desktop Applications
8. In the Use Ext. field, select the extension type to be used to
transfer a call, play back a voice message, and dial a number. You
can select an Internal, External, or Centrex extension type.
Note: Centrex is a telephone company provided service that allows
for PBX functionality through your telephones. In this
application, selecting the Centrex extension type will initiate
external dialing through the auto attendant, freeing your
existing trunk lines for outdialing.
9. In the Country drop-down list, select the country that is associated
with the external extension.
10. In the City/Area Code field, enter the city area code for the
external extension.
11. In the Number field, enter the extension number you are using, or,
if you are using an external telephone number, enter the seven
digit phone number.
Note: If you do not enter a phone extension, the system will use
your extension.
12. Click OK to end and finish the configuration, or click another tab
to continue the configuration.