AT&T 1030 - Manual (Page 30)

Using a Dial Code
To page a group using a dial code:
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Touch Intercom-Voice or Intercom-Ring.
Lift your handset.
Dial the code for the group you want to page.
841 for group 1
842
group 2
843 group 3
844 group 4
845 group 5
846 group 6
847 group 7
Intercom
Voice
+ +
group
page
code
When you hear a beep, speak into your handset.
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