The telephone company or PBX system may use long distance calling codes on a phone line as a means to manage long distance calls. This service may extend to a fax phone line and for local phone calls as well. Tips to help you send a fax using a calling code.
For the fax machine to effectively switch between voice and fax messages with an answering machine on the same line, the fax must be set to [ANS.MACHINE MODE] (answering machine receive mode).
Choose this mode if: you have subscribed to a DRPD (Distinctive Ring Pattern Detection) service with your telephone company. This service assigns two or more telephone numbers with distinctive ring patterns to a single telephone line, allowing you to have a fax number (s) and a telephone number(s) using only one telephone line. Your machine will automatically monitor incoming calls and based on the ring pattern, will let you know if the call is a fax or voice call.
