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Headset Compatibility Guide - Phone Models

Select your Key System U.S. phone model below to find compatible headsets

Key System U.S. Console

Key System U.S. ET-15

Key System U.S. ET-36

Key System U.S. ET-36D

Key System U.S. ET-36DOH

Key System U.S. ET-36OH

Key System U.S. Et-4

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