User manual

AT Commands 5-11
Command Description Function
z
-() (Ignored by modem)
En Command echo 0 = Disable echo
1 = Enable echo ( default )
Fn Online echo 0 = Enable online echo
1 = Disable online echo
( default )
Hn Switch hook control 0 = Hangs up the telephone
line ( default )
1 = Picks up the telephone line
In Identification 0 = Reports product code
1 = Least significant byte
2 = Reports "OK".
3 = Identification codes
4 = Reports OEM defined
identifier string
5 = Country code
6 = Data pump model
Ln Speaker Volume 0 = Low speaker volume
1 = Low speaker volume
( default )
2 = Medium speaker volume
3 = High speaker volume
Mn Speaker Control 0 = Speaker always off
1 = Speaker on until carrier
present ( default )
2 = Speaker always on
3 = Speaker off during dialing;
speaker on until
carrier present