Programming instructions

180
3300 ICP Technician’s Handbook
What is the L2 port setting for IP
phone and controller?
For IP phones, we recommend Trunk Port.
Does your L2 switch have CDP
enabled, spanning tree enabled, or
Port Fast enabled?
None.
What is your speed setting? (10/100,
Full/Half, Auto, Fixed?)
None.
Do the symptoms improve if the IP
phone is set to “auto and lock”?
For controllers, we recommend Access Port.
Mitel recommends setting “Auto” on phones. In
some unique PC/network, the IP phone
may require to hard coding or setting to “auto
and lock” mode.
Do you have the assert information
from the debug menu?
Assert value is saved in the debug mode and
reports the last reason that the phone
rebooted.
What phone set are you using (5020,
5220, 5220 Dual Mode)?
None.
Is there a pattern? For example, does
the problem follow the phone? Can
you ping
the IP phone?
None.
Have you noted any display
information?
None.
Have you tried increasing keepAlives
up to 1 minute via the System
Administration
tool registry entries?
None.
Do you have a complex network? If yes, a network topology diagram is required.
Can you obtain a packet capture via
Ethereal at the phone level?
Packet capture helps us to analyze the state of
the network and the condition of
the phone.
Can you obtain an IP Phone Analysis
(IPA) for the phone in question?
IPA provides crucial information about how the
phone is reacting
Table 9: Collecting IP Phone Information (continued)
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