1. During a call, press the Talk/Flash key.
    device 612/252914.jpg
  2. Wait until a dial tone can be heard, then enter the number of the second party to add to the call.
    device 612/252915.jpg
  3. When the second party answers, press the Talk/Flash key.

    Note: If the second caller doesn't respond, press the Talk/Flash key to disconnect and return to the first call.
    device 612/252916.jpg