running an application on the phone the call is carried over cell tower 320 in response to placing the call an image of a person selected by the user or an avatar appears on the screen of the cell phone 310 preferably the call center is operated by the telephone company that provides cell phone service for cell phone 310 this way the telephone company has control over the output on the screen of the cell phone as well as over the voice messages that are transmitted over the network the user says something that is heard at call center 330 by employee 332 the employee 332 can also see the user through the camera in the user 39 s telephone an image of the user appears on the employee 39 s computer 334 such that the employee can look at the user and infer the user 39 s mood the employee than selects a conversationally relevant response which builds on what the user said and is at least partially responsive to the query to say to the user the employee can control the facial expression of the avatar on the user 39 s cell phone screen in one embodiment the employee sets up the facial expression on the computer screen by adjusting the face through mouse u201c drag and drop u201d techniques in another embodiment the computer 334 has a camera that detects the employee 39 s facial expression and makes the same expression on the user 39 s screen this is processed by the.