Best Headsets for the Unify Set 451 T24 Serial No ends in A101

Compatible headsets we carry

Brand

Headset connection

Call control

Budget · up to $330

Showing 5 of 8 compatible headsets · budget compares the complete setup total

Discover D722

over-ear · Corded QD

ⓘ

QD bottom cable required — ask an advisor ·Audio only

$99.99

Ships from store

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Yealink HA64 Pro

on-ear · DECT wireless

ⓘ

EHS cable required — ask an advisor

$259.99

Ships from store

View product →

Yealink HA68 Pro

over-ear · DECT wireless

ⓘ

EHS cable required — ask an advisor

$329.99

Ships from store

View product →

Poly EncorePro 720 Binaural Headset +Quick Disconnect

Corded QD

No adapter needed ✓Full call control

$69.99

Ships from store

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Poly EncorePro HW710 Single Ear Headset +Carry Case +Quick Disconnect

Corded QD

No adapter needed ✓Full call control

$104.56

Ships from store

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Full compatibility matrix

How each confirmed headset connects to the Set 451 T24 Serial No ends in A101 · one row per headset connection · click ⓘ for setup notes

Headset	Headset connection	Required cable / adapter	Call control	Total
Discover D722 Discover · over-ear	Corded QD	QD bottom cable required — ask an advisor	·Audio only	$99.99	Ask advisor
Discover Setup notes from Discover Inline call controls only (answer/end/volume on the cord); no remote electronic answering. The D722 connects to the phone's headset port with the matching QD bottom cable (varies by phone). Ask a Headset Advisor for the exact bottom cable.
Yealink HA64 Pro Yealink · on-ear	DECT wireless	EHS cable required — ask an advisor		$259.99	View →
Yealink Setup notes from Yealink The HA64 Pro connects wirelessly through its DECT base plugged into the phone's headset port. Remote call answering needs a compatible EHS cable — ask a Headset Advisor to confirm the exact cable for this phone.
Yealink HA68 Pro Yealink · over-ear	DECT wireless	EHS cable required — ask an advisor		$329.99	View →
Yealink Setup notes from Yealink The HA68 Pro connects wirelessly through its DECT base plugged into the phone's headset port. Remote call answering needs a compatible EHS cable — ask a Headset Advisor to confirm the exact cable for this phone.
Poly EncorePro 310 Monoaural with Quick Disconnect Headset TAA Poly · —	Corded QD	No adapter needed	✓Full call control	—	Ask advisor
Poly EncorePro 320 with Quick Disconnect Binaural Headset TAA Poly · —	Corded QD	No adapter needed	✓Full call control	—	Ask advisor
Poly EncorePro 510 Monaural Headset +Quick Disconnect Poly · —	Corded QD	No adapter needed	✓Full call control	—	Ask advisor
Poly EncorePro 720 Binaural Headset +Quick Disconnect Poly · —	Corded QD	No adapter needed	✓Full call control	$69.99	View →
Poly EncorePro HW710 Single Ear Headset +Carry Case +Quick Disconnect Poly · —	Corded QD	No adapter needed	✓Full call control	$104.56	View →

In plain terms — confirmed compatibility facts

The Discover D722 works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with audio only (calls answered from the phone or app); the matching QD bottom cable is required — ask a Headset Advisor for the exact part.
The Yealink HA64 Pro works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by dect wireless, with confirmed audio support; an EHS cable is required — ask a Headset Advisor for the exact part.
The Yealink HA68 Pro works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by dect wireless, with confirmed audio support; an EHS cable is required — ask a Headset Advisor for the exact part.
The Poly EncorePro 310 Monoaural with Quick Disconnect Headset TAA works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with full remote call control; no adapter is required.
The Poly EncorePro 320 with Quick Disconnect Binaural Headset TAA works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with full remote call control; no adapter is required.
The Poly EncorePro 510 Monaural Headset +Quick Disconnect works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with full remote call control; no adapter is required.
The Poly EncorePro 720 Binaural Headset +Quick Disconnect works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with full remote call control; no adapter is required.
The Poly EncorePro HW710 Single Ear Headset +Carry Case +Quick Disconnect works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with full remote call control; no adapter is required.

Common questions

The Yealink HA64 Pro works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by dect wireless, with confirmed audio support; an EHS cable is required — ask a Headset Advisor for the exact part.

The Yealink HA68 Pro works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by dect wireless, with confirmed audio support; an EHS cable is required — ask a Headset Advisor for the exact part.

The Discover D722 works with the Unify Set 451 T24 Serial No ends in A101. The headset connects by corded qd, with audio only (calls answered from the phone or app); the matching QD bottom cable is required — ask a Headset Advisor for the exact part. Audio works, but you answer and end calls from the phone.

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Best Headsets for the Unify Set 451 T24 Serial No ends in A101

Our recommendations

Compatible headsets we carry

Full compatibility matrix

In plain terms — confirmed compatibility facts

Common questions