Administration Guide
Page 156
... the reliability and speed of menus. DTMF replaces dial pulses with electronically produced tones for prepaid and pay-as-you-go calling cards. Flat-rate pricing-The customer is engineered to basic long distance and accessed by way of a touchtone phone through voice-mail boxes.
... the reliability and speed of menus. DTMF replaces dial pulses with electronically produced tones for prepaid and pay-as-you-go calling cards. Flat-rate pricing-The customer is engineered to basic long distance and accessed by way of a touchtone phone through voice-mail boxes.