Canon MF4270 imageCLASS MF4270 Basic Operation Guide - Page 241
Telephone, Connection
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Telephone ˔ Connection 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. Appendix 13-6
Appendix
13-6
Telephone
Connection
●
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.