Ip Softphone 2050 Support; Three-Port Switch Support - Nortel 1110 Fundamentals

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IP Softphone 2050 support

The IP Softphone 2050 supports 802.1Q with Windows 2000. By default,
when 802.1Q is enabled, the priority bits of all frames are set to 6 and the
VLAN ID is set to 0 (a restriction of Windows 2000).

Three-port switch support

The section refers to the following IP Phones
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The three-port switch does not interpret the 802.1Q header, but rather,
allows the packets to pass through unmodified. Priority is achieved on a per
port basis. The phone "port" traffic has higher priority over the Ethernet port
to which the PC connects.
Copyright © 2003–2007, Nortel Networks
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If 802.1Q is enabled, all frames transmitted by the Ethernet driver have
the 802.1Q tag bytes inserted between the source MAC address and
the protocol type field. The tag protocol identifier field contains 8100
(hex) and the CFI bit is set to 0.
When 802.1Q is enabled, the configuration of separate voice and data
VLANs is possible. Each VLAN has its own ID and priority on the IP
Phone. Voice messages have the priority bits of all frames set to 6
(octal) and the VOICE VLAN ID is set to 000 (hex) by default. Data
messages have the priority bits of all frames set to 0 and the DATA
VLAN ID is set to 000 (hex) by default. The GUI and TPS configured
values override these values.
The IP Phone Ethernet driver receives any Ethernet frame destined for
it, regardless of whether 802.1Q is enabled or whether the received
frame is an 802.1Q tagged frame.
The only exception is any 802.1Q tagged frame with the CFI = 1. In
this case the frame is discarded.
The IP Phone Ethernet driver strips the 802.1Q tag information from the
frame prior to passing it on to the IP stack.
The IP Phone Ethernet driver filters packets by the VLAN tag and MAC
address. Tagged traffic is prioritized and routed based on the priority bits.
IP Phone 2002
IP Phone 2004
IP Phone 2007
IP Phone 1120E
IP Phone 1140E
IP Phone 1150E
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 02.01 Standard
Release 5.0 7 December 2007
Three-port switch support 463