AT&T System 85 - Manual (Page 96)

CHAPTER 4. OPERATING FEATURES
To answer a CAS call:
1. Press [ANSWER] .
Audible ring stops. ATND light goes on. Listen for three bursts of tone identifying a
public network call. Associated RLT status light on SSI goes on. Display shows the
branch location calling.
To extend the CAS call to the originating branch location:
1.
2.
3.
Press [START] .
Listen for dial tone from the originating branch system. Caller is separated from the
connection.
Dial the requested extension number.
Listen for an immediate burst of tone followed by normal ringing at any point in the
cycle.
Press [ R L T ] .
Ringing stops. Caller is reconnected to the system at the originating branch location
and hears ringback tone. Associated RLT status light on SSI goes off. RLT returns to
idle. ATND light goes off. If no calls are waiting, PA light goes on.
To extend the CAS call to another branch location:
1.
2.
3.
4.
Press [START] .
Listen for dial tone from the originating branch system. Caller is separated from the
connection.
Dial the trunk access code for the branch location being called.
Listen for dial tone from other branch location.
Dial the extension number of the other
Listen for an immediate burst of tone
cycle.
Press [RLT] .
branch location.
followed by normal ringing at
Ringing stops. Caller is reconnected to the system at the originating
and hears ringback tone from the other branch location over that
trunk. Associated RLT status light on SSI goes off. RLT returns to
goes off. If no calls are waiting, PA light goes on.
any point in the
branch location
branch location
idle. ATND light
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