Plantronics 2.5mm Quick Disconnect (QD) 18" cable allows any Plantronics H-series headsets to be used with Cisco Linksys SPA 303, 501G, 502G, 504G, 508G, 509G or 525G, SPA921, SPA922, SPA941, SPA942, SPA962, SPA921, SPA922, SPA941, SPA942 phones with a 2.5mm jack. This special shielded cable is built specially for Cisco SPA phones "buzzing" sounding using a Plantronics headset.

Also used as the bottom cable for Spectralink phones.

Key Features:

• For use with Plantronics H-series headsets
• Easily connects the Cisco Linksys SPA 2.5mm headset jack
• This is a shielded cable to eliminate "buzz" or "humming" with Cisco SPA phones
• 16" in length. If you need longer cable, you will need to order an additional Plantronics "Lightweight" Extension Cable 10ft

Old Poly part # 64279-02

New HP part # 85S11AA

Note:  Also know as the Spectralink 2.5mm cable.