IBM Aptiva Hardware Handbook page 43

Table 3: Modem commands (Continued)
Code/Command Function
Z1 Recalls modem profile 2
&Zn= Stores up to four telephone numbers in the modem's memory
&V The modem answers with the active profile and the phone numbers stored in NVRAM
&W0 Saves the current register setting as profile 1
&W1 Saves the current register setting as profile 2
&F&W0&W1 Returns a modem profile to the original factory setting
Escape sequence
+++
Return to command state
Shows which class of fax commands the modem supports. If the modem answers:
0,1 it supports Class 1 commands
+FCLASS=?
0,1,2 it supports Class 1 or Class 2 commands
0,2 it supports Class 2 commands
Modem commands 33