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Caller ID on displays sometimes.

Sometimes the screen shows us who is calling and other times it just appears as “Incoming Call”. How can we fix this?

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ATT Phone Model CL4940: Screen is lit, but remains blank

Cable modem:  ARRIS CM820A/NARouter:  Linksys Ethernet/DSL Router with 4 port switch model BEFSR41Phone Adapter for VOIP: Cisco 2 port phone adapter SPA112 Phone: CL4940 ATT About a week ago I cleaned my ATT CLF940 phone with a slightly wet rag.  It stopped working for a bit, I turned it upside down

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