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Wlan application gateway 2246 planning, Figure 17 "part 2: example of analysis of – Nortel Networks NN43001-504 User Manual

Page 73

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WLAN Application Gateway 2246 planning

73

Figure 17
Part 2: Example of analysis of a packet stream captured between segment A and B

Usually the WLAN IP Telephony Manager 2245 is placed in the same
subnet as WLAN handsets. This was previously a rule, but it is now just a
recommendation. The WLAN IP Telephony Manager 2245 sometimes must
be placed in a different subnet from the handsets. However, the rules for
delay, jitter, and packet loss still apply.

Ethernet connectivity between the WLAN IP Telephony Manager 2245 and
the call server, or other voice endpoint, must never exceed 100 milliseconds
(ms) of one-way delay, 30 ms of jitter, and 2% packet loss end to end
regardless of the physical properties of the link. Whether the WLAN IP
Telephony Manager 2245 is in the same subnet with handsets, the link
between the WLAN IP Telephony Manager 2245 and the handset must be
under 100 ms of one-way delay, 1 ms of jitter and under 2% packet loss.

WLAN Application Gateway 2246 planning

The optional WLAN Application Gateway 2246 requires a 10 Mbs
half-duplex switched Ethernet connection.

Nortel Communication Server 1000

WLAN IP Telephony Installation and Commissioning

NN43001-504

01.02

Standard

Release 5.0

15 June 2007

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