User`s manual

U.S. Robotics I-modem Command Reference
Dialing, Answering, and Hanging Up • Page 3-2
Dial Options
T Tone dial. This option is ignored because it is not necessary for ISDN dialing, but
it is accepted for compatibility with todayÕs communication software packages.
P Pulse dial. Accepted but ignored.
, (Comma) Pause for the length of time speciÞed by S-Re
gister 8. The default is 2
seconds.
/ (Slash) Pause for 125 milliseconds.
W Wait for a second dial tone before continuing to dial.
W works only if the X3 (or greater) command has been issued (see Chapter 5,
Controlling Result Code Displays). If an I-modem is set to X2 (or lower), it inter-
prets the W as a 2-second pause.
@ Wait for an answer (with X3 or higher).
Some online services answer the phone and return a tape-recorded request for
information before processing transactions. Use the @ command to tell an