Canon PIXMA MP830 User's Guide - Page 119

„ Special Dialing z Dialing through a Switchboard A PBX (Private Branch Exchange) is an on-site telephone switchboard. If your machine is connected through a PBX or other telephone switching systems, you have to dial the outside line access number first, and then the number of the party you are calling. z Switching Temporarily to Tone Dialing Many information services for banks, airline reservations, hotel reservations, etc. require tone dialing for their services. If your machine is connected to a rotary pulse line, you can set the machine to temporarily switch to tone dialing. 1 Press [FAX]. 2 Press [Hook] or lift the handset. 3 Use the Numeric buttons to dial the number of the information service. 4 When the recorded message of the information service answers, press [Tone] ([ ]) to switch to tone dialing. If you pressed [Hook] in step 2 and wish to talk to the other party, lift the handset. 5 Use the Numeric buttons to enter the numbers requested by the information service. 6 When you have finished using the service, press [Hook] or hang up the handset. z Sending/Receiving Using ECM This machine is set to send/receive faxes in ECM (Error Correction Mode). ECM automatically corrects errors caused by connection troubles, cross-checking the sending and receiving conditions at the sending and receiving ends. Note z If the sender's or receiver's fax is not ECM-compatible, the fax will be sent/received in the standard mode. z You can disable ECM sending/receiving. See "ECM TX" on page 138 and "ECM RX" on page 139. Chapter 5 Faxing 117