212 headsets work with the Poly CCX 505: 45 wireless DECT, 18 corded, 80 USB and 61 Bluetooth headsets, plus 8 speakerphones. The list comes from the Poly and EPOS 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 APP-51 Electronic Hookswitch TAA [85Q60AA] and APU-76 Electronic Hookswitch TAA [85R00AA].
Quick facts
Compatible headsets
212 (45 wireless DECT, 18 corded, 80 USB and 61 Bluetooth headsets, plus 8 speakerphones)
Ways to connect
Headset port, with a bottom cable (Poly)
EHS cable, to answer calls from a wireless headset (Poly)
The makers' guides don't list a USB headset connection for the Poly CCX 505, 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 Poly CCX 505 work with Bluetooth headsets?
61 Bluetooth headsets are listed for the Poly CCX 505, each connecting the way its row shows. The makers' guides don't list pairing a headset with the Poly CCX 505'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 Poly CCX 505?
An EHS (electronic hook switch) cable. The makers name the APP-51 Electronic Hookswitch TAA [85Q60AA] (Poly) and the APU-76 Electronic Hookswitch TAA [85R00AA] (Poly). Each headset's row shows the exact one.
What do I need to connect a corded headset to the Poly CCX 505?
A bottom cable that connects the headset to the phone's headset port. Poly lists the cable for each headset in its row.
All 212 compatible headsets, by kind. Recommended first, then the ones we stock.
212 compatible
Wireless DECT headsets 45
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.
All features functional except:
• Hold works by mute button, not call button and incorrect D400 led while call is in held state.Source: Poly · updated 9 Nov 2026
All features functional except:
• Hold works by mute button, not call button and incorrect D400 led while call is in held state.Source: Poly · updated 9 Nov 2026
All features functional except:
• Hold works by mute button, not call button and incorrect D400 led while call is in held state.Source: Poly · updated 9 Nov 2026
All features functional except:
• Hold works by mute button, not call button and incorrect D400 led while call is in held state.Source: Poly · updated 9 Nov 2026
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.
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Headset only plays “On” voice alert rather than “Mute On” voice alert when headset is connected to a previously muted call
• Headset does not play “Answering Call” voice alert after pressing the headset button on the phone to answer a call
• Headset plays “Mute Off” voice alert after ending a call via headset controls even without unmute behavior
• Incoming calls cannot be answered during active voicemail playback, resulting in the call being rejected
• Headset LED flashes 10 times when initially attached to phone
• Headset does not play hold reminder tone while a call is on holdSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Headset only plays “On” voice alert rather than “Mute On” voice alert when headset is connected to a previously muted call
• Headset does not play “Answering Call” voice alert after pressing the headset button on the phone to answer a call
• Headset plays “Mute Off” voice alert after ending a call via headset controls even without unmute behavior
• Incoming calls cannot be answered during active voicemail playback, resulting in the call being rejected
• Headset LED flashes 10 times when initially attached to phone
• Headset does not play hold reminder tone while a call is on holdSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Headset only plays “On” voice alert rather than “Mute On” voice alert when headset is connected to a previously muted call
• Headset does not play “Answering Call” voice alert after pressing the headset button on the phone to answer a call
• Headset plays “Mute Off” voice alert after ending a call via headset controls even without unmute behavior
• Incoming calls cannot be answered during active voicemail playback, resulting in the call being rejected
• Headset LED flashes 10 times when initially attached to phone
• Headset does not play hold reminder tone while a call is on holdSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Headset only plays “On” voice alert rather than “Mute On” voice alert when headset is connected to a previously muted call
• Headset does not play “Answering Call” voice alert after pressing the headset button on the phone to answer a call
• Headset plays “Mute Off” voice alert after ending a call via headset controls even without unmute behavior
• Incoming calls cannot be answered during active voicemail playback, resulting in the call being rejected
• Headset LED flashes 10 times when initially attached to phone
• Headset does not play hold reminder tone while a call is on holdSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Headset only plays “On” voice alert rather than “Mute On” voice alert when headset is connected to a previously muted call
• Headset does not play “Answering Call” voice alert after pressing the headset button on the phone to answer a call
• Headset plays “Mute Off” voice alert after ending a call via headset controls even without unmute behavior
• Incoming calls cannot be answered during active voicemail playback, resulting in the call being rejected
• Headset LED flashes 10 times when initially attached to phone
• Headset does not play hold reminder tone while a call is on holdSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
None listed Optional: USB-A to USB-C Adapter [85Q48AA]
Remote call control
Not stated
Notes
All features functional except:
• Phone LED light remains on after ending a muted call
• When ending a call with a second call waiting, the headset LED does not flash greenSource: Poly · updated 9 Nov 2026
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.
IMPACT 1000 · On-ear Bluetooth® headset with industry-leading voice pickup and dongle-free Bluetooth connectivity. · connects to SmartPhone/DeskPhone/SoftPhoneSource: EPOS list · Jun 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA], USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Unable to place an active call on hold from the headset when connected directly to the desk phoneSource: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA], USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Unable to place an active call on hold from the headset when connected directly to the desk phoneSource: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA], USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Unable to place an active call on hold from the headset when connected directly to the desk phoneSource: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA], USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Unable to place an active call on hold from the headset when connected directly to the desk phoneSource: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA], USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
All features functional except:
• Unable to place an active call on hold from the headset when connected directly to the desk phoneSource: Poly · updated 9 Nov 2026
Recommended: BT700 USB-A Bluetooth Adapter [786C4AA]
Remote call control
Not stated
Notes
All features functional except:
• Answer by voice command feature unavailable.
• No mute synchronization between headset and deskphone with Direct BT.
• Cannot hold call with BT700.
• Medium press mute ends call with Direct BT.Source: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA]
Remote call control
Not stated
Notes
All features functional except:
• Answer by voice command feature unavailable.
• No mute synchronization between headset and deskphone with Direct BT.
• Cannot hold call with BT700.
• Medium press mute ends call with Direct BT.Source: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA]
Remote call control
Not stated
Notes
All features functional except:
• Answer by voice command feature unavailable.
• No mute synchronization between headset and deskphone with Direct BT.
• Cannot hold call with BT700.
• Medium press mute ends call with Direct BT.Source: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA]
Remote call control
Not stated
Notes
All features functional except:
• Answer by voice command feature unavailable.
• No mute synchronization between headset and deskphone with Direct BT.
• Cannot hold call with BT700.
• Medium press mute ends call with Direct BT.Source: Poly · updated 9 Nov 2026
IMPACT 1000 · On-ear Bluetooth® headset with industry-leading voice pickup and hybrid adaptive ANC. · connects to SmartPhone/DeskPhone/SoftPhoneSource: EPOS list · Jun 2026
IMPACT 1000 · On-ear Bluetooth® headset with industry-leading voice pickup and hybrid adaptive ANC. · connects to SmartPhone/DeskPhone/SoftPhoneSource: EPOS list · Jun 2026
IMPACT 1000 · On-ear Bluetooth® headset. Supplied with a BTD 900c dongle, a USB‑C to USB‑A adapter, and a USB‑C charging cable. Features ANC, EPOS BrainAdapt™ technologies, and EPOS AI™‑powered voice pickup and noise cancellation, ensuring your voice sounds natural and clear in any environment. · connects to SmartPhone/DeskPhone/SoftPhoneSource: EPOS list · Jun 2026
IMPACT 1000 · On-ear Bluetooth® headset with industry-leading voice pickup and hybrid adaptive ANC. · connects to SmartPhone/DeskPhone/SoftPhoneSource: EPOS list · Jun 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
All features functional except:
• Cannot hold/resume incoming call by headset with BT700.
• Volume does not synchronize between the phone and the headset with BT700.Source: Poly · updated 9 Nov 2026
Recommended: BT700 USB-A Bluetooth Adapter [786C4AA]
Remote call control
Not stated
Notes
All features functional except:
• Answer by voice command feature unavailable.
• No mute synchronization between headset and deskphone with Direct BT.
• Cannot hold call with BT700.
• Medium press mute ends call with Direct BT.Source: Poly · updated 9 Nov 2026
None listed Optional: BT700 USB-A Bluetooth Adapter [786C4AA], USB-C to USB-A Adapter [85Q49AA]
Remote call control
Not stated
Notes
Source: Poly · updated 9 Nov 2026
Speakerphones 8
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.