Direct Connect Headsets
Expert advice, buying guides, and industry insights for business teams
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Nov 23, 2025· 7 min read
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Best Headsets for NEC Phones: Dterm, Univerge and DSX
NEC phones have a headset jack and a built-in amplifier — which is why Polaris headsets appear on this list instead of the standard H-series, and why you don't need an amplifier...
Nov 23, 2025· 7 min read