Canon MF4270 User Guide

Appendix

13-6

●

External telephone/external telephone with 
built in answering machine/data modem

*

1

  The Public Switched Telephone Network (PSTN) currently supports 28.8 Kbps modem 

speed or lower, depending on telephone line conditions.

*

2

  Based on ITU-T Standard Chart No. 1, MMR standard mode.

Specifications are subject to change without notice.