AT Commands
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If the modem received any characters from the computer while it is waiting for a dial tone, it will
hang up, return to local command state and send a NO CARRIER message.
For example:
To wait for a dial tone and then dial 111-0123:
Type: ATDW1110123 <E>
See Also
&Z Command Store Phone Number
S Register 6 Wait Time for Dial Tone
S Register 7 Wait Time for Carrier
S Register 8 Length of Dial Pause
S Register 29 Hook Flash Duration