We have a Nortel Norstar on 4.1 that has two (2) LS/DS trunk cards in it right now. We have 5 incoming lines from our local cable co. System is still running well, but we'd like to add Caller ID. CMS/CLASS info comes in from the Optimum, so it seems we should just be able to replace the LS/DS...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.