AT&T MERLIN 820 Installation Guide

PLACE AN OUTSIDE CALL
Using any voice terminal in your system:
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Lift the handset.
The green light goes on next to the red light.
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Dial an outside number (for example, a friend’s home).
After the call is answered, place the call on hold by touching Hold.
The green light next to the line button flashes rapidly.
Return to the call on hold by touching the line button next to the flashing
green light.
Verify two-way communication and hang up.
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AT&T MERLIN 820 Specifications

General

Brand	AT&T
Model	MERLIN 820
Category	Conference System
Language	English