If I recall correctly, there were different versions for the I20xx phones such as phase 1 or 2 etc.
I have found this old record relating to the Option xx range that might explain the differences in greater detail.
The IP Phone 200x Phase II Series adds enhancements including integrated support for power over Ethernet and full VLAN capability, support for improved call quality reporting, and increased security capabilities.
Changes from the Phase I series are hardware and phone-firmware based.
IP Phone 2002
The IP Phone 2002 was introduced with Phase 1
To distinguish between Phase 1 and Phase II IP Phone 2002 sets:
1. NT codes beginning with NTDU76xxxx are Phase 1 sets
2. Phase II IP Phone 2002 sets have NT codes with NTDU91xxxx
IP Phone 2004.
The IP Phone 2004 was introduced with Phase 0. Thus, customers could have Phase 0, Phase 1 or Phase II 2004 sets.
1. Phase 0 2004 IP Phone is identifiable as it has only one Ethernet jack
2.. Product Codes
a). NT codes beginning with NTEX00 or NT7B10AACH are Phase 0 sets.
b). NT codes beginning with NTDU82xx are Phase 1 2004 sets
c). Phase II IP Phone 2004’s have NT codes with NTDU92xxxx
Although Phase II sets (2004 and 2002) look like Phase I sets, they can be identified by the product codes on the label on the back of the set:
PEC CPC Product Description
IP Phone 2001
NTDU90AA16 A0533387 IP Phone 2001 (Ethergray) with Icon keycaps, without power supply
NTDU90BA16 A0533388 IP Phone 2001 (Ethergray) with English Text label keycaps, without
power supply
NTDU90AA70 A0533389 IP Phone 2001 (Charcoal) with Icon keycaps, without power supply
NTDU90BA70 A0533390 IP Phone 2001 (Charcoal) with English Text label keycaps, without
power supply
IP Phone 2002
NTDU91AA16 A0533404 IP Phone 2002 (Ethergray) with Icon keycaps, without power supply
NTDU91BA16 A0533405 IP Phone 2002 (Ethergray) with English Text label keycaps, without
power supply
NTDU91AA70 A0533406 IP Phone 2002 (Charcoal) with Icon keycaps, without power supply
NTDU91BA70 A0533407 IP Phone 2002 (Charcoal) with English Text label keycaps, without
power supply
IP Phone 2004
NTDU92AA16 A0533408 IP Phone 2004 (Ethergray) with Icon keycaps, without power supply
NTDU92BA16 A0533409 IP Phone 2004 (Ethergray) with English Text label keycaps, without
power supply
NTDU92AA70 A0533410 IP Phone 2004 (Charcoal) with Icon keycaps, without power supply
NTDU92BA70 A0533411 IP Phone 2004 (Charcoal) with English Text label keycaps, without
power supply
NOTE: Phase I IP sets cannot be upgraded to be Phase 2 sets due to the hardware enhancements in Phase 2 sets. Phase I IP sets will continue to be supported in the future, and can co-exist in mixed environments with Phase II sets.
Compatibility
1. Succession 1000 / 1000M / Meridian 1 on Succession 3.0 :
Succession 3.0 (minimum release)
· Signalling Server 2.10.81
· IP Line Application 3.10.81
2. Meridian 1 and X11 Release 25.40/ 25.40B
· The IP Line Loadware application for Meridian 1 25.40/ 25.40B must be upgraded.
· IP Line Application 3.05.2
This Loadware and the corresponding ReadMe First document may be downloaded from the Nortel Networks software download web site.
3. IP Phone firmware
· It is necessary to ensure the latest version of IP Phone firmware is downloaded and installed on the Phase II IP Phones.
· IP Phone firmware 0604D31 or later for rls 3
IP Phone firmware 0604D49 for rls 4
One of the key attributes of the new IP Phone 200x Phase 2 portfolio (2001, 2002, 2004) is
the integration of PoE powering within the set, eliminating the need for a PoE splitter. The
Phase 2 IP phones support a number of power over Ethernet options, including the standard
IEEE 802.3af powering, and some proprietary powering methods. The Phase 2 IP Phones
will continue to support the legacy pre-standard powering approach supported in the 200x
Phase 0/1 IP Phones.
Firebird Scrambler
Nortel & Avaya Meridian 1 / Succession & BCM / Norstar Programmer
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