Sound Professionals SP-CORDLESS-TELEPHONE-TAP - Adapter to record both sides of a conversation using a cordless telephone with 2.5mm headset jack SP-CORDLESS-TELEPHONE-TAP
Amazon.com: Voice Tube Mic 2.5 mm Headset Built in Quick Disconnect Compatible with Plantronics QD : Electronics
HP Plantronics 2.5mm-3.5mm Headset Adapter for iPAQ H63XX Series (360325-001) 880197164880 | eBay
Headset Adapter Cable with 2.5mm Plug for Cisco | Business Telecom Products
Amazon.com: 2.5mm Quick Disconnect Coil Cable Compatible with Plantronics QD & Daily Headsets Work with Cordless or Cell Phones Which Have a 2.5mm Port : Electronics
Amazon.com: TruVoice 2.5mm Jack to QD Bottom Adapter Cable - Compatible/Replacement for Plantronics 2.5mm Port - Polycom IP 320, IP321, IP330, IP331, Cisco SPA Phones, AT&T & Cordless Phone with 2.5mm Port :
Amazon.com: TruVoice 2.5mm Jack to QD Bottom Adapter Cable - Compatible/Replacement for Plantronics 2.5mm Port - Polycom IP 320, IP321, IP330, IP331, Cisco SPA Phones, AT&T & Cordless Phone with 2.5mm Port :
Plantronics Audio USB Adapter 50 USB Plug to 2.5mm Female Headset Jack 84640-01 17229134119 | eBay
Amazon.com: TruVoice 2.5mm Jack to QD Bottom Adapter Cable - Compatible/Replacement for Plantronics 2.5mm Port - Polycom IP 320, IP321, IP330, IP331, Cisco SPA Phones, AT&T & Cordless Phone with 2.5mm Port :
Plantronics 2.5 mm to QD Headset Cord for Cisco (65287-01)
Plantronics Compatible QD 2.5mm Headset Combo - Best Pro Binaural Headset + 2.5 mm headset jack as Office Headset - Walmart.com
WirelessFinest HSDUAL3.5OEM 3.5mm Headset + 2.5mm + USB Adapter Headset Microphone for Business Skype Work from Home Call Center Office Video Conference Com
Plantronics QD to 2.5mm Plug Adapter for H-Series Headsets
Plantronics 2.5mm Headset Quick-Disconnect Cord for e340 and i640 Wireless
Amazon.com: TruVoice 3.5mm Adapter Cable Compatible with All Plantronics QD Headsets - Connects with All Cell Phones and PC/Laptops with a Single 3.5mm Jack Port : Electronics