[android-developers] pppd chat program failed on android

Hi,
I am running pppd & chat program with following script for mts usb
modem,

pppd debug modem crtscts /dev/ttyUSB0 9600 asyncmap 0 noauth
noipdefault 0.0.0.0:0.0.0.0 netmask 255.255.255.0 defaultroute connect
'chat -v "" "ATZ" "OK" "ATI" "OK" "ATQ0 V1 E1 S0=0 &C1 &D2
+FCLASS=0" "OK" "AT+CGDCONT=1,"IP","internet@internet.mtsindia.in""
"OK" "ATDT#777" "CONNECT"'

But it failes with chat script failed error.
Looking for help.
Thnx in advanced.

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