
When you want to use V.92 feature, please follow the below steps.

1.in windows, run Hypertrm.exe
2.type "AT&F&W&W1&Y&Y1"  then enter
3.type "ATZ"  then enter
4.type "AT+PQC=0"  then enter.........for quick connect 
5.type "AT+PSS=0+PMH=0+PCW=0+Vcid=1"  then enter.........for modem on hold 
6.dial to V.92 server.........quick connect  mode 
7.type "+++"
8.type  "AT"
9.type  "AT+PMHR" then enter
10.type  "AT+PMHF"  then enter
11.pick up the phone(modem side)
12.type "AT+PMHF"
13.type "ATO",it will return to data mode