AT#C V.25 Calling Tones
The #C command determines whether the modem will generate V.25 calling tones when operating in originate mode.
V.25 calling tones are generated as a measure of courtesy if the telephone number you dial is answered by a person rather than a modem or other electronic device. It also allows an electronic device to select the appropriate operating mode.
V.25 tones indicate to the answerer of a call that a modem in data mode (not fax) is the originator of the call.
Options
AT#C0 | V.25 calling tones disabled |
AT#C1 ■ | V.25 calling tones enabled |
See Also
X command | Response codes |
D command | F or ^ dial modifiers |
Range |
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