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CPU/Power LED
SYMPTOM
Lines on Hold, no
one there.
SYMPTOM
Lines sometimes
show busy even
though no one else
is in the office, or no
one is using the line.
Table 7-9: CO Line Problems
DIAGNOSTIC AID
System
Programming
Outside caller
abandons call
User error
Table 7-10: Lines Stay Busy
DIAGNOSTIC AID
System
Customer confusion
Programming
or Programming
error
CAUSE
If the customer complains of seeing
many holding lines, and when accessed
no one is on the other end, calls may be
left in an abandoned state.
If the serving Central Office (Telco)
provides disconnect supervision:
The KSU should be programmed (on
a per CO line basis) to recognize an
abandoned call (default).
When the outside holding party
hangs up, the CO line interface
detects change in CO voltage for the
associated line.
The KSU then removes the inside
Hold indication at all telephones and
restores the line to idle.
Auto Hold Allow may be enabled at a
station that is unsure of the proper
operation of this feature.
If so, insure that inside users do not
accidentally place calls on Hold while
skipping from one CO line to
another, refer to the Key telephone
User Guide.
By programming Auto Hold Deny
(code F94) at the abusing stations,
incoming CO lines will not be
accidentally placed on Hold.
CAUSE
Verify CO line programming for DISA,
External Call Forwarding, and Day/Nite
Service.
(The system will hold up certain trunk-
to-trunk calls until a forced disconnect
interval time is reached.)
CORRECTIVE ACTION
CORRECTIVE ACTION
7-7
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