49 headsets work with the Avaya 9640: 30 wireless DECT and 17 corded headsets, plus 2 other products. The list comes from the Jabra and Yealink compatibility guides and our recommended headsets. They connect through the headset port (with a bottom cable). To answer calls from a wireless headset, the makers name EHS cables such as the Jabra Link 14201-35 and EHS62.
Quick facts
Compatible headsets
49 (30 wireless DECT and 17 corded headsets, plus 2 other products)
Ways to connect
Headset port, with a bottom cable (Jabra and Yealink)
EHS cable, to answer calls from a wireless headset (Jabra and Yealink)
Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ON (Yealink)
1. WH6x required EHS60/EHS61 supported 2. Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ON (Yealink)
Jabra's most common settings for this phone: Compatibility A, EHS DHSG. Each Jabra headset's row shows its own. (Jabra)
Questions
Can I use a USB headset with the Avaya 9640?
The makers' guides don't list a USB headset connection for the Avaya 9640, and this guide shows only what they list. The headsets listed connect through the headset port (with a bottom cable). If you need a USB headset, ask an advisor.
Does the Avaya 9640 work with Bluetooth headsets?
The makers' guides don't list pairing a headset with the Avaya 9640's own Bluetooth, and this guide shows only what they list. If you need that, ask an advisor.
Which cable lets me answer calls from a wireless headset on the Avaya 9640?
An EHS (electronic hook switch) cable. The makers name the Jabra Link 14201-35 (Jabra), the EHS62 (Yealink) and the EHS60 (Yealink). Each headset's row shows the exact one.
What do I need to connect a corded headset to the Avaya 9640?
A bottom cable that connects the headset to the phone's headset port. Jabra and Yealink list the cable for each headset in its row.
All 49 compatible headsets, by kind. Recommended first, then the ones we stock.
49 compatible
Wireless DECT headsets 30
Remote call control Remote call control means you can answer and end calls with the button on your headset. "Not stated" means the headset works with this phone, but remote call control has not been verified.
Headset
Compatible
Connects via
Accessory needed
Remote call controlRemote call control means you can answer and end calls with the button on your headset. "Not stated" means the headset works with this phone, but remote call control has not been verified.
Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ONOnly supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneUpdated 9 Nov 2026
Only supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneUpdated 9 Nov 2026
1. WH6x required EHS60/EHS61 supported 2. Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ONOnly support audio. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
1. WH6x required EHS60/EHS61 supported 2. Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ONOnly support audio. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
1. WH6x required EHS60/EHS61 supported 2. Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ONOnly support audio. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Only supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ONOnly supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Set in the phone: Setting-audio- -headset signalling--switch hook and alert ON Or Options&setting--Call settings--headset signalling--switch hook and alert ONOnly supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Only supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Only supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Only supports audio. Not included as a free gift; must be purchased separately. Cable A: Yealink/Avaya/Poly/Mitel/Unify/Snom IP Phone Cable B: Cisco IP PhoneSource: Yealink · updated 9 Nov 2026
Option 1 · Electronic Hook Switch (EHS)Jabra lists it for: 9640 IPJabra Link 14201-35Compatibility=A · EHS=DHSG · MicrophoneLevel=6
Option 2Jabra lists it for: 9640 IPNo part listedCompatibility=A · MicrophoneLevel=6
Corded headsets (headset port) 17
Remote call control Remote call control means you can answer and end calls with the button on your headset. "Not stated" means the headset works with this phone, but remote call control has not been verified.
Headset
Compatible
Connects via
Accessory needed
Remote call controlRemote call control means you can answer and end calls with the button on your headset. "Not stated" means the headset works with this phone, but remote call control has not been verified.
Remote call control Remote call control means you can answer and end calls with the button on your headset. "Not stated" means the headset works with this phone, but remote call control has not been verified.
Headset
Compatible
Connects via
Accessory needed
Remote call controlRemote call control means you can answer and end calls with the button on your headset. "Not stated" means the headset works with this phone, but remote call control has not been verified.
