The Norstar has no internal provisions for caller ID on analog DID trunks. You may be able to do it with an external caller ID device (assuming your carrier is able to send CID data on analog DID's) but that would mean each station requiring CID info would need the additional device and wiring.
Going way back in my memory banks, I do remember that Nortel originally came out with a funky old caller ID unit for the 6/16's and 8/24's. It looked like an ATA and it only gave the CID info to one set as I recall. Haven't seen or heard of one in over 15 years though.
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