Identify your Nortel
Here are pictures of different Systems to help you figure out which one you have:
(you can click the picture to make it larger)
Norstar Compact ICS with a Startalk Flash voice mail
Nostar 6x16Â
Norstar 0x32 MICSs with expansion modules
Call Pilot 100/150 Voicemail (small, 4-port)
Nortel Option 81 PBX
Nortel Option 11 PBX (some can be retro-fitted to be CS1000)
Nortel (Avaya) CS1000