Callez RJ9 Phone Headset with Mic Noise Cancelling - Office Binaural

In this review the Callez RJ9 Phone Headset is evaluated for office and call center use; it is aimed at users of supported Cisco desk phones who need reliable hands-free calling and clear voice capture. The single biggest reason to consider it is its targeted compatibility with a long list of Cisco IP phone models and a quick disconnect RJ9 cord that lets agents step away without removing the headset. The reviewer found the headset well suited to concentrated phone work thanks to noise cancelling microphone technology and binaural ear coverage that reduce distractions.

Key Features

• Dedicated Cisco compatibility: The headset connects directly to many Cisco IP phones via an RJ9 quick disconnect cord, ensuring plug-and-play use for compatible models.
• Noise cancelling microphone: The mic reduces background noise so callers hear clearer speech, which helps with long customer calls and noisy office environments.
• Binaural design: Dual ear cushions cover both ears to isolate ambient sound and help the user focus on conversations.
• Comfortable fit: Adjustable headband and soft leatherette ear cushions make extended shifts more comfortable for call center and office staff.
• Durable construction: Unibody headband and flexible mic boom feel sturdy for daily use and the quick disconnect adds practical workflow flexibility.
• Hearing protection: Built-in acoustic shock protection circuit helps prevent sudden loud sounds from reaching the ear.

Who It's For

The Callez RJ9 headset is best for office workers, call center agents, and anyone who uses a supported Cisco IP phone model and needs a wired, reliable headset. It is particularly suited to environments that benefit from a noise cancelling microphone and binaural listening, where concentration and call clarity matter.

It is not for smartphone or computer users since it only works with specific Cisco desk phones and certain Cisco amplifiers; buyers with non-Cisco SPA phones or mixed device setups should look for a multi-platform headset instead.

Pros & Cons

Pros

• Clear voice pickup from the noise cancelling mic that reduces background interference on calls.
• Comfortable for long shifts due to adjustable headband and soft leatherette ear pads.
• Quick Disconnect RJ9 cord enables walking away from the desk without removing the headset.
• Robust build with flexible boom and unibody headband designed for daily use.

Cons

• Works only with a specific list of Cisco IP phone models and select amplifiers, so compatibility must be verified before purchase.
• Wired design means less mobility than wireless headsets for users who move frequently away from a desk.

Specifications

Connection	RJ9 Quick Disconnect (QD) to RJ9 plug-and-play
Compatibility	Specific Cisco IP phone models and M10, M12, M22, MX10 amplifiers
Microphone	Noise cancelling mic with acoustic shock protection circuit
Design	Binaural (dual ear) headset with adjustable headband
Ear cushions	Soft leatherette for all-day comfort
Warranty	45 day money back and 2 year guarantee

Our Verdict

The Callez RJ9 Phone Headset is a practical, value-oriented choice for offices and call centers using compatible Cisco IP phones; it delivers clear calls, comfortable binaural listening, and durable build at a modest cost. Confirm compatibility with your phone model and this headset will serve agents who prioritize voice clarity and a stable wired connection over wireless mobility.

Frequently Asked Questions

Will this work with my smartphone?
No. This headset is designed only for specific Cisco IP phones and selected amplifiers and will not work with smartphones or computers.

Does it reduce background noise?
Yes. The headset uses a noise cancelling microphone to reduce ambient sounds and includes acoustic shock protection.

Can I leave it attached and walk away?
Yes. The RJ9 quick disconnect lets you step away from the desk without removing the headset by detaching the cord from the phone.