Verify Intercom Number
Verify the voice terminal’s intercom number as follows:
1Touch the fifth button down (Intercom) in the leftmost row of buttons. See Figure 21.
2 Touch Speakerphone or lift the handset.
3 Dial the voice terminal’s intercom number.
A busy signal verifies the intercom number.
Identify Each Voice Terminal
As you test the voice terminals, label each one with its intercom number as follows:
1Fill in an intercom number label for each voice terminal.
2Pry the plastic number card retainer away from its slot beneath the handset using a straightened paper clip or similar tool.
3Lay the intercom number label in the slot, and replace the plastic retainer (Figure 21).