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GCA70–249
7.18 Using E and M Tie Lines
E & M tie line operation is typically used in applications where one
group of users often need to call parties located in one or more remote
locations. In these applications, your system is directly tied to another
similar system at the remote site(s).
If your system has been configured for tie line operation, the procedures
you use to place calls, transfer calls, and set up conference calls differ
slightly from other types of connections. These procedures are described
in this section.
• To make a call on an E & M tie line,
1. Dial the E & M access code assigned by the installer, or dial 9 (if
your system was configured by the installer to use Automatic
Route Selection (ARS)),
—OR—
press the E & M line button, if programmed by the installer.
2. Wait until you hear a dial tone, then dial the intercom number for
the party you wish to reach at the remote site. You will hear a fast
busy signal if you dialed an invalid number.
Using The Other Telephone Features
Non-LCD Reference Manual 7 – 19
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