Installing and Configuring Telephony
Manager
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The Telephone Options dialog box enables you to specify whether
your telephone has an external voice adjunct (that is, an external
speakerphone or a headset adapter), if supported.
2. In the External Voice Adjuncts area, select the external voice adjunct
you have (if any).
NOTE:
If you have a non-display telephone, the Advanced button is
present. The Advanced button gives you the ability to use
display features such as caller ID. By choosing the Advanced
button, you can specify that your extension has display
capabilities even though your telephone does not have a
display. However, in order for your extension to have these
display capabilities, your DEFINITY System Manager must
administer your extension for display capabilities.