Communications Telephone System User Guide

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GTD-5, 5ESS and DMS 100 Intercom Code Chart
Name Code Telephone Number
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Intercom Code Charts
The following charts are provided for you to list your Intercom codes. Each
telephone number has been assigned an intercom code, and depending on your
switch type, you must press either before or after the Intercom code number.
These Intercom codes have been programmed by Verizon. Instructions for using
the Intercom feature are found below and also on page 14 of this guide.
To make an Intercom call:

Pick up the handset and listen for dial tone.

Press the Intercom code – (GTD-5, 5ESS and DMS 100).

Press the Intercom code – (DMS 10).
7
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2
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9
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