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.
Setting DRPD 14 .Use the numeric buttons to enter the fax / telephone number assigned for receiving a call for the ring pattern you selected in step 10 (max. 24 characters,, including spaces).