Calls Are Being Cut-Off; Calls Received In Error - Mitel 3300 ICP Technician's Handbook

3300 ICP Technician's Handbook – Release 3.2
4. Check LED on the IP telephone for network activity.
A green LED on the bottom of the phone indicates a
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proper connection
A flashing red LED indicates activity (data flow) on the
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network.
5. Use the PING (Packet Internet Groper) on the IP telephone to
determine whether the server's (3300 ICP, DHCP, and/or
TFTP) IP address is accessible.
6. Ensure that the DHCP server has been programmed with the
correct information.
7. If the IP telephone displays "TFTP LOAD FAILURE" verify that
the TFTP Firmware, DSP and Main. software loads are
available and not corrupted.
8. Ensure that the phone is registered with the system.

Calls are Being Cut-off

Look for a pattern.
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Are the calls always being made to the same number?
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Is it a cellular phone? If it is it is likely to be a cellular issue.
•
Is this affecting many users or just one? Build a pattern.
•
Many Users - Check SMDR records to see if it is a
particular trunk or link that is causing the problem.
•
One User - Ensure that it is not a hardware or wiring issue.

Calls Received in Error

A user may report that they are continually receiving incorrect calls.
Establish if the calls are always for the same person or if they are
for different people.
•
If the calls are always for the same person check the
following: - Telephone Directory to ensure that the name
and extension number are correct. - The users number
against that of the person people are looking for. If the
numbers are similar then it is possible that people are
dialing incorrectly. Changing the user extension number
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