I have a CICS with several M7310, two T7316E, an ATA2 and a door phone. We recently had a lightning strike close to the house and since then the ATA2, which is used for a cordless phone, would not work, both T7316E's message lights flash constantly and the headset light remains on with the mute...
I have a Norstar-Plus Compact ICS system model #NT7B58AA with an LS/DS card model #NT7B75GB. This sytem currently has 2.0 Expanded software w/IRAD .
The question I have is what caller id cards are compatible with this system and if I were to upgrade the software to say 4.1 or higher, would...
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