Cisco Headset Adapter for 3.5mm single plug iPhone headset

This adapter transforms 3.5mm 4-conductor cell phone headset (iPhone / Blackberry / Smartphone) into modular plug headset Cisco IP phone. Select any style headset with 3.5mm single plug, and convert it to Cisco headset. Compatible with Cisco 7945, 7965, as well as with older Cisco IP Phones. • Not compatible with Cisco/Linksys SPA phones. • Not compatible with other brand phones.