- 23 - Rev. 1.00.2.1.63
&Q6 Same as &Q0
&Q8 Select MNP error control mode. If fail to connect, the modem will fallback according to
current setting in S36
&Q9 Select V42 or MNP error control mode. If fails to establish, the modem will fallback
according to current setting in S36
&S0 DSR always ON
&S1 DSR ON only during handshaking and when carrier is lost
&T0 Terminates test in progress
&T1 Initiates local analog loopback(LAL)
&T3 Initiates local digital loopback
&T6 Initiates remote digital loopback(RDL)
&V View active profile, stored user profile and stored telephone number
&W Stores active profile into user profile
&Zn=x Stores telephone number x(up to 40 digits) to location n(0-3).I301 V.90
%B View number in blacklist
%C0 Disables data compression
%C1 Enables data compression
%E0 Disables fallback and fall forward
%E1 Enables fallback, disables fall forward
%E2 Enables fallback and fall forward
-C0 Disables calling tone
-C1 Enables 1300 Hz calling tone
-V90=n Control V.90 downstream speed
n = 0 V.90 disabled
n = 1 Auto rate
n = 2 28000 BPS
n = 3 29333 BPS
n = 4 30666 BPS
n = 5 32000 BPS
n = 6 33333 BPS
n = 7 34666 BPS
n = 8 36000 BPS
n = 9 37333 BPS
n = 10 38666 BPS
n = 11 40000 BPS
n = 12 41333 BPS
n = 13 42666 BPS
AT Command prefix