Lucent Technologies Host-Based Controller Modem AT - Manual (Page 48)

Host-Based Controller Modem Data Addendum
AT Command Set June 15, 1998
AT Voice Commands Reference (continued)
Lucent Technologies Inc. Version 1.0 48
AT Voice Command Set Not Defined In IS-101 Specifications
S32 Synthetic Ring Volume
This command will provide a synthetic ring volume in dB with an implied minus sign. The default = 10.
S33 Synthetic Ring Frequency
This command will provide a synthetic ring frequency. The valid values are 0

5, with 0 = disabled and 1

5 =
five varying ring frequencies. The default = 0.
AT+VTS=!
This does a flash hook.