TelephoneStuff.com Plantronics 900MHz Wireless Office Headset System with.. CS50-MIP

900MHz wireless office headset system allows user to roam up to 300 ft in a typical office environment. Included with this headset system is Plantronic's MIP-1 (64165-01) adapter cable. The MIP-1 is a unique cable that allows hook switch control and replaces the handset lifter. Features: - Talk for up to 8 hours without recharging - Answer and end calls away from the phone with the use of the HL10 (sold seperately) - Quickly mute the microphone with the touch of a button - Noise canceling microphone - Choose between over-the-ear and over-the-head wearing styles, also an optional behind-the-head style is available - MIP-1 provides remote ring detection - MIP-1 picks up the elctrionic ring signal from the switch and rings inside the headset - The MIP-1 adapter cable is compatible with the following phones: - Avaya 4610 IP with version 1.8 or later - Avaya 4620 IP with version 1.8 or later - Avaya 4630 IP with version 1.8 or later - Avaya 2420 on an IP switch