Avaya Nortel Communication Server 1000 Manual page 126

126 Features
Figure 33
PRT commands output
CLI commands
The CLI commands described in this section provide information about IP
Phones behind a NAT device and the Echo Servers.
isetShow
When the isetShow command is used, a NAT column lists the NAT type if an
IP Phone is behind a NAT, where:
•
•
•
•
•
Copyright © 2003–2008, Nortel Networks
.
C – Cone NAT
S – Symmetric NAT
U – Unknown. Behind a NAT of unknown type (response received from
only Echo Server 1).
P – Pending. Waiting for response from the IP Phone or the IP Phone
never received a response from Echo Server 1.
.. – Blank space. Indicates the IP Phone is not behind any kind of NAT
(normal case).
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008