
Appendix C
;Return to command mode. Causes the modem to return to command mode after dialing a number, without disconnecting the call.
S=n Dial a telephone number previously stored using the &Zn=X command (See &Zn=X command for more information). The range is 
En Echo command
This command controls whether or not the characters entered from your computer keyboard are displayed on your monitor (echoed) while the modem is in command mode.
E0 Disables echo to the computer.
E1 Enables echo to the computer (default).
Result Codes:
OK n=0,1
ERROR Otherwise
Hn Hook control
This command instructs the modem to go 
H0 Modem goes 
H1 Modem goes 
Result Codes:
OK n=0,1
ERROR Otherwise
| In | Request ID information | 
This command displays product information about the modem.
I0 Returns modem identity string and driver version number.
I3 Same as I0.
I9 Returns region ID in English.
Result Codes:
OK n=0,3,9
ERROR Otherwise
PPENDIXA C
