3Com 56K Use the X2 result code subset, Dial the following number using tone dialing, Any key

2-2CHAPTER 2: USING THE AT COMMAND SET

AT&K3X2DT5551234

AT	Attention; a command follows.
&K3	Disable MNP5 data compression; use only V.42 bis compression.
X2	Use the X2 result code subset.
DT	Dial the following number using tone dialing.

Hyphens and parentheses add to the count of 56 characters but, spaces do not.

Basic AT commands The command AT informs the modem that a command is coming. AT must precede all commands except A/, A> and +++.

To configure your modem to	Command
Re-execute the last-issued command.	A/
Repeat the last-issued command until canceled by pressing	A>
any key.

Example: Sending ATD5551234 will make the modem dial 555-1234.

Now, if you send A/ the modem will dial 555-1234 again.

Using S-RegistersS-Registers are addresses of places in memory where various timing parameters, redefinitions of selected ASCII characters, and other configuration settings are stored.

Initially, the S-Register settings for each of the NVRAM templates are the same. You can overwrite an S-Register’s stored value. See the default values listed in Appendix A, S-Registers, for a complete listing of the initial settings.