Question about IBM Corded Phone IBM412CID
Have already replaced 3 of the original 5 phones.. Three are working now but cannot get the other 2 to co-operate. I no longer have 4 lines into my home;only 2. Can't get a dialtone or sound when plugged into jacks but phones can be programed for correct ext.,date,etc. . I have changed connection lines from jacks to phones using muti lines or singles, NOTHING works. HELP
Have you verified that the jacks affected have DT on them with another single line phone? If it doesn't, it could be a wiring issue between the NID (Network Interface Device) where you service comes from the pole to the house. This could especially be the issue since you have recently had lines DC.
Most NID's have a service jack where you can plug a phone in from the NID. This will bypass all possible inside wiring issues that may exist.
I would start from there and if you have dial tone at the NID. Then verify that you have jacks wired the same as the NID.
Posted on Jul 28, 2008
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