4DIALING, ANSWERING, AND
HANGING UP
This chapter explains how to use basic AT commands for:
■Dialing
■Carrier loss redial
■Answering calls
■Making International calls
■Call detection
■Caller ID functions
■Distinctive Ring support
Dialing You can use your modem to dial the specified phone n umber and execute
dial options by using the following commands.
Dial options
For your modem to Command
Dial the specified phone number and execute dial
options (DO NOT use spaces or dashes). ATD phone numbe r
Tone dial. ATDT
Pulse dial. ATDP
Pause for the length of time specified by S-Register 8.
The default is 2 seconds. ATD, (Comma)
Pause for 125 milliseconds. ATD/ (Slash)
Wait for a second dial tone before continuing dialing.
This command only works only if the X3 (or higher)
command has been issued (see Chapter 7, Controlling
Result Code Displays and Appendix D, Result Code
Meanings and Sets). If the modem is set to X2 or lower,
it interprets the W as a two-second pause, unless it
detects a second dial tone within two seconds.
ATDW