Cisco & Linksys Approved VXI Wireless VoIP V150 Bundle with Remote Answering Accessory | For Cisco VoIP phones: 7902, 7905, 7906, 7910, 7911, 7912, 7920, 7921, 7925, 7929, 7931, 7932, 7940, 7941, 7960, 7961, 7970, 7971, 7985, 3905, 6921, 6941, SPA922, SPA941, SPA942, SPA962, 99xx Series, 6921, 6941, 6961. Bundle 2 items: Includes VXI Wireless Headset and Remote Answering Accessory for Cisco & Linksys. Certified VoIP Compatible. Range up to 300 feet away for maximum mobility Up to 10 hours of talk time - For all day usage and never miss a call. Low-cost, affordable, commercial-grade headset - works with Cisco office phones with a headset port (RJ-9/RJ-22) Cisco & Linksys Compatible Phones: For Cisco - VoIP Phones: 7902, 7905, 7906, 7910, 7911, 7912, 7920, 7921, 7925, 7929, 7931, 7932, 7940, 7941, 7960, 7961, 7970, 7971, 7975, 7985, 3905, 6921, 6941, SPA922, SPA941, SPA942, SPA962, 99xx Series, 6921, 6941, 6961.