Lucent Technologies Host-Based Controller Modem AT - Manual (Page 54)

Host-Based Controller Modem Data Addendum
AT Command Set June 15, 1998
AT Voice Commands Reference (continued)
Lucent Technologies Inc. Version 1.0 54
AT+VSD=128,0 DTE selects normal silence detection sensitivity, and a silence detection interval
of 0 seconds. Disable silence detection.
OK DCE responds.
-R DCE detects another ring, and notifies DTE.
AT+VLS=1 The modem answers the call.
OK DCE is off-hook.
The TAD next plays its greeting message, issues a beep, and records the caller's message.
Command Description
AT+VTX DTE selects voice transmit mode.
CONNECT DCE responds.
DTE plays greeting through modem to remote caller.
DTE indicates end of voice transmit data.
OK DCE acknowledges switch back to voice command state.
AT+VTS=[933,0,120] DTE annotates greeting message with a 1.2 second beep.
OK DCE responds.
AT+VSD=128,50 DTE selects normal silence detection sensitivity and a silence detection interval
of 5 seconds. Enable silence detection.
OK DEC responds.
AT+VLS=5 The speaker is attached to the system, and the modem is off-hook.
OK DCE is off-hook.
AT+VRX DTE selects voice receive mode.
CONNECT DCE agrees.
DCE delivers shielded voice message to DTE.
The caller leaves a message, and hangs up. The modem detects silence for a specified period of time, and then
notifies the DTE that the message being recorded has ended.
Command Description
-s DCE issues presumed end of message after silence detection interval has
elapsed.
-! DTE signals end of voice receive state.
DCE ends voice transmission to DTR, with this code, and returns back to voice
command state.
ATH DTE issues standard command to terminate call. Speakerphone goes on-hook,
speaker and microphone are detached from system, and modem returns to data
mode (+FCLASS=0).
OK DCE responds.