Notice

Nortel Page 16 of 24
Call Server Compatibility and Requirements
These firmware releases are compatible with the below Nortel Call Servers. Note that in
order to utilize the SRTP USK and the extended language support available in the firmware
the IP Phones must be connected to Communication Server 1000 release 5.0
Call Server Notes / Advisements
CS 1000 5.00W
- IP Line 5.00.31
- SS 5.00.31
Nortel recommends an upgrade to these firmware releases at the earliest
opportunity.
CS 1000 4.5
- X21 4.50W
- IP Line 4.50.88 or later
- SS 4.50.88 or later
Nortel recommends an upgrade to these firmware releases at the earliest
opportunity.
CS 1000 4.0
- X21 4.00T
- IP Line 4.00.55 or later
- SS 4.00.55 or later
Nortel recommends an upgrade to these firmware releases at the earliest
opportunity.
For Phase II IP Phones, details on using OTM or Element Manager to
upgrade the phones can be found in NTP 553-3001-365.
For IP Phone 2007, 1110, 1120E and 1140E a Trivial File Transfer
Protocol (TFTP) Server is required to distribute firmware to IP Phones. The
TFTP Upgrade menu on the IP Phone is used to upgrade the firmware.
The IP Phone 1150E is not supported on this platform.
CS1000 3.0
- X21 3.00
- IP Line 3.10.81 or later
- SS 2.11.03 or later
Nortel recommends an upgrade to these firmware releases at the earliest
opportunity.
For Phase II IP Phones, details on using OTM or Element Manager to
upgrade the phones can be found in NTP 553-3001-365.
For IP Phone 2007, 1120E and 1140E a Trivial File Transfer Protocol
(TFTP) Server is required to distribute firmware to IP Phones. The TFTP
Upgrade menu on the IP Phone is used to upgrade the firmware.
The IP Phone 1110 and 1150E are not supported on this platform.