The Cisco 7905/7912 is a basic telephone primarily the worker who conducts low to medium telephone traffic. The 7905/7912  provides an LCD display.  This phone has a one way speaker (call monitoring only).  The 7905/7912 does not support headsets, see the Cisco 7960 if you need a telephone that supports headsets.  Monthly Cost:  $20.00, including line and equipment.

The Cisco 7960 is a  full-featured IP phone designed to meet the needs of a worker who experiences a high amount of telephone traffic.  The  7960 has a large LCD display. This phone has  2-way speakerphone capability, and a direct headphone access port.  Monthly cost:  $30.00, including line and equipment.