Voice Terminal Does Not Ring On Incoming Outside Calls - Lucent Technologies MERLIN 820 Service And Maintenance Manual

TROUBLE ON ONE TELEPHONE
Ringing
Symptom:
Voice terminal does not ring on incoming outside calls on one or more lines
Possible Cause
1. Volume control setting is too
low.
2. User programming of line
ringing options is incorrect
(applies only if the system has
a feature cartridge).
A1-6
Recommended Action
1. Slide volume control to a higher position and
test by making a call to one of the user's
outside lines from another voice terminal.
2. See if voice terminal is programmed for "no
ring."
a. Slide T/P switch to P (program) position.
b. Check red light associated with the line
that doesn't ring. The red light indicates
how the line is programmed for ringing:
On = ringing
Flashing = delayed ring
Off = no ring
If the red light is off, the line is
programmed for "no ring." Change it by
touching the line button until the light is
on or flashing.
Slide T/P switch to center position.
c.