Telephone Interface on October 1, 2015 | Marketing Team Restaurant managers can easily answer the phone while supervising the drive-thru and handling other restaurant business. With the new TI6000 Telephone Interface for the digital communication system from HME, managers wearing a headset can conveniently have phone conversations with customers with the touch of a button. The TI6000 is available for use with the Odyssey IQ or Wireless IQ headset models.