Polycom SoundPoint 7 ft. Black Handset Cord For IP 301, 501, 601, 670, 321, 331, 335, 450, 550, 560, 650 Phones &hellip; Polycom SoundPoint IP 9 ft. Black Handset Cord Works with Polycom IP 301, 501, 601, 670, 321, 331, 335, 450, 550, 560, 650 Phones