Network Address Translation Traversal - Nortel 1110 Fundamentals

494 Appendix F IP Phone diagnostic utilities
Quality of Service statistics
(page 494)
Figure 68
QoS statistics data display page
In Figure 68 "QoS statistics data display page" (page
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Network Address Translation Traversal

This section describes the Network Address Translation (NAT) Traversal
feature as it effects IP Phones. NAT Traversal is required to permit IP
Phones working behind a NAT box to connect and maintain signaling and
media paths.
NAT Traversal is applicable to all UNIStim IP Phone clients and is
one-ended. That is, it does not require the other end of a call to support any
special protocol, and it is interoperable with any other media termination.
Copyright © 2003–2007, Nortel Networks
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shows the data displayed from the QoS Stats menu item.
EndIP = endpoint IP address
PortID = port ID
PacketTx = RTP packets sent
Packet Rx = RTP packets received
DPacketRx = BTR Disorder packets received
PacketLossRx = packet loss received xxx%
JittAveRx = jitter average received xxxxxx
JittMaxRx = jitter maximum received xxxxxx
RdTripDelay = round trip delay
Each new call resets the counters.
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 01.02 Standard
Release 5.0 20 June 2007
Figure 68 "QoS statistics data display page"
494),