Support for 4 lines and active concurrent calls</br>Register up to 6 SIP Cordless Handsets</br>LED Status Indicator</br>2 Soft Keys</br>2.5 mm Headset Jack</br></br>Product Description</br></br>The cordless SIP handsets make it easy to keep customers on the line?? even away from your desk. With the DECT SIP cordless base station?? you can add up to six handsets at a time-plenty to keep everyone plugged in and productive wherever they are in the office. With unique extensions for each handset?? employees can customize their phones and manage calls more effectively.</br><br/>http://www.amazon.com/gp/product/B00J618VXW