Compatible with Yealink and Grandstream IP phones and used as a Direct Connect Cable to connect H-series Plantronics headsets.
See notes below comparing a Direct Connect Cable with an Amplifier.
Compatible with: H-Series headsets when plugging into specific phones. Please check our compatible guide.
Understanding Direct Connect Cables vs. Amplifiers:
When using any H-series headset, a Direct Connect Cable or amplifier is required to plug in between your headset and phone. Using a Direct Connect Cable will save you money versus an amplifier but an amplifier will provide optimum sound quality and volume controls.
Direct Connect Cable:
Easy to install into headset port
Takes up virtually no desk space
Limited to use with compatible phones only (Your future phone may not be compatible and require an amplifier)
Amplifier: (Plantronics M22)
Compatible with most phones
Battery or AC powered to provide optimal sound quality
Speaker volume adjustment
Microphone volume adjustment (Key point that Direct Connect Cable doesn’t have)
Lifting handset each call may be required depending on your phone
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– June 19, 2018
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