Jabra PRO 920 Mono Wireless Headset with 14201-17 Polycom HHC Cable SmartCord, Bundle for Polycom Soundpoint IP Phones Wireless Single Earpiece Headset With Increased Clarity / Enhanced Security 3-in-1 Wearing Styles Earhook, Headband, & Earloop Connects To: Deskphone & is TAA compliant Hear ring tone in the headset Answer and end calls / adjust the volume / mute microphone