Sets the answering-priority when using a shared voice line. eManualAnswer - Device will not automatically answer the phone. User must answer and push START button. eFaxAnswer - Device should assume call is fax, send CED immediately upon answering. eTadAnswer - (Telephone Answering Device Mode) Device allows downstream TAD to answer but device will eavesdrop for fax CNG signal. If a CNG detected, cut off the downstream device, send CED. Do nothing if CNG not detected.