hello,
sir u must change the following lines
[Modem0]the above line to 'Modem = /dev/ttySL0'. this is the location of your modem.
Modem = /dev/modem
Baud = 57600the above line refers to the speed with which you are connecting
SetVolume = 1try changing this to 'Baud = 57600' .because 460800 is too high for a 56
Dial Command = ATDT
Init1 = ATZ
Init3 = ATM1L1
FlowControl = CRTSCTS
[Dialer BSNL]
Username = purelife
Password = uma579
Phone = 172233
Stupid Mode = 1
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Inherits = Modem0
[Dialer Defaults]
Modem = /dev/ttySL0
Baud = 460800
Init1 = ATZNow issue
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ISDN = 0
Modem Type = Analog Modem
Phone = 172233
Username = purelife
Password = uma579
Carrier Check = No
Stupid Mode = On