Mitel MiVoice Business 3300 ICP, Troubleshooting Manual

Page: 171 / 366

Trunking
Symptom Possible Cause Corrective Action
Unable to dial out a trunk. No dial tone Ensure dial tone is present
from Central Office (CO).
You can disable dial tone
detection on the trunk to
allow users to dial out on
the trunk in the absence of
dial tone.
Calls are connecting to the
far end. Called party can
hear caller, but calling party
cannot hear party at far
end.
The system is not receiving
answer supervision
immediately from the
Central Office.
Go to the CO Trunk
Circuit Descriptors form
Change the Supervision
parameters in the value
field “audio inhibit until
answer supervision after
outpulsing” to No.
Trunks are programmed
but are appearing as
unassigned with the STAT
location ID command.
Card has not had the
information downloaded
to update the status of the
trunks.
Power off and on the
information to the ASU at
an appropriate time.
Ring is not heard
immediately when external
phone calls on LS trunk.
An external phone that is
connected to the LS trunk
rings four times before
the receiving phone rings.
When the class of service
option ANI/DNIS Delivery
Trunk is enabled, the
system waits for the ANI
information before making
the phone ring. If this is not
provided, the phone will not
ring immediately.
In the COS of the LS trunk,
disable ANI/DNIS Delivery
Trunk .
Document Version 1.0
165 Troubleshooting Guide