9488ab65_modify_your_modem_driver_file___Response_string
[Response description] Distinctive ring – length of ring – variable length response [bResponseState] 0x91 [Response string] 
Ring duration
R i n g d u r a t i o n
R i n g b r e a k
D a t e
T i m e
N u m b e r
N a m e
M e s s a g e
S i n g l e R i n g
D o u b l e r i n g
T r i p l e R i n g
How to modify your modem driver file.
Response string