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The MWI (lamp, triangle, stutter dial-tone) on my phone set does not come on. Whats wrong?

April 26, 2017lamp MWI phone stutter Triangle wrong

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The MWI (lamp, triangle, stutter dial-tone) on my phone set does not come on. Whats wrong?

1 Answer

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There is more than one MWI signalling method. Contact CNS Customer Service to check if the MWI feature on your telephone line matches the type of MWI on your phone set. If it does match, the MWI on your phone set may not be working or there may be a problem with the telephone company equipment.