Lucent Technologies Host-Based Controller Modem AT Data Addendum page 21

Data Addendum
June 15, 1998
AT Command Reference (continued)
\Tn Inactivity Timer
This command specifies the length of time (in minutes) that the modem will wait before disconnecting when no
data is sent or received. A setting of zero disables the timer. Alternatively, this timer may be specified in register
S30. This function is only applicable to buffer mode.
\T0:
Result Codes:
OK
ERROR
\Vn Protocol Result Code
\V0: Disable protocol result code appended to DCE speed.
\V1: Enable protocol result code appended to DCE speed (default).
\V2: Same as \V1.
Result Codes:
OK n = 0, 1
ERROR
\Xn XON/XOFF Pass Through
\X0:
\X1
Result Codes:
OK
ERROR
-Cn Data Calling Tone
Data Calling Tone is a tone of certain frequency and cadence as specified in V.25 which allows remote
Data/FAX/Voice discrimination. The frequency is 1300 Hz with a cadence of .5 s on and 2 s off.
-C0: Disabled (default).
-C1: Enabled.
Result Codes:
OK
ERROR
-V90 = <n> command to enable/disable V.90 and change downstream rate
-V90=0 will disable V.90
-V90=1 will enable V.90 Auto Rate (default value)
-V90=X - controls the downstream rate
-V90? - Shows the current value
-V90=? - Shows the range [0-21]
See next page for the values of n.
Version 1.0
Inactivity timer disabled (default).
n = 0 - 255
Otherwise
Otherwise
Modem process XON/XOFF flow control characters locally (default).
Modem passes XON/XOFF flow control characters.
n = 0, 1
Otherwise
n = 0, 1
Otherwise
Lucent Technologies Inc.
Host-Based Controller Modem
AT Command Set
21