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Appendix C
Centrex operation
Centrex is a special subscriber service that might
be available from your local telephone company
for a fee. This 1040 telephone can be used with
Centrex service to answer calls and pick up other
lines. Contact your telephone company for more
details about Centrex service.
Set ring delay duration
The 1040 phone system enables other system
telephones’ calls to ring at the console phone.
After a specified ring delay, the calls ring at the
console phone. (See CSL DELAY RING on page 75
of the installation guide.)
Answer a delayed ring
The console phone rings and the screen displays
the extension number of the intercom sending the
delayed ring.
1. S
elect an idle line.
2. Enter the Centrex pickup code.
3. Enter the seven- or ten-digit phone number (as
directed by your phone company) of the exten-
sion sending the delayed ring.
NOTE: If the console is using another line and
receives a delayed ring, the console phone can
put the other line on hold and follow steps 1–3.
If the console is on an intercom call, the intercom
call should be ended before picking up the ringing
phone.
Pick up another station’s line
1. Choose an idle Centrex line.
2. Enter the Centrex pickup code.
3. Enter the seven- or ten-digit phone number (as
directed by your phone company) of the line.
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