2.2.1.2 Dial Message
The Dial Message is sent by the client as a request to begin initialization to the server that echoes it back as an acknowledgment. This message has 4 ASCII fields that are specified in [RFC1345].
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1 |
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2 |
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3 |
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ASCII - A |
ASCII - T |
ASCII - D |
Number (variable) |
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ASCII - CR |
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ASCII - A (1 byte): The ASCII encoding for the "A" character, 0x41.
ASCII - T (1 byte): The ASCII encoding for the "T" character, 0x54.
ASCII - D (1 byte): The ASCII encoding for the "D" character, 0x44.
Number (variable): A sequence of ASCII encoded numbers. This number denotes the phone number that the modem will dial.
ASCII - CR (1 byte): The ASCII encoding for the carriage return character, 0x0D.