Connects Plantronics HW and Connect Series headsets via the quick disconnect to compatible phones with a 2.5mm jack. Equivalent to Plantronics 43038-01
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.
Polycom IP 320, 321, 330, 331, Panasonic, AT&T, RCA, Uniden, Zultys ZIP 4x4 and ZIP 4x5 and Other Phones with Standard 2.5mm Headset Port