Kam, your wvdial.conf file looks fine: [Dialer Defaults] Modem = /dev/ttySL0 Baud = 460800 Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 X3 &C1 &D2 +MS=90 ISDN = 0 Modem Type = Analog Modem Phone = 91699431 Stupid Mode = 1 Username = ********* Password = ********* Carrier Check = no I wonder what is happening, What is your ISP so we can see what they ask for? Thanks, Antonio BTW, I CC'd this to list so that others that may have encountered your problem can offer some suggestions. 2010/5/6 Kam Yan Lo <kamyanlo@xxxxxxxxxxxx>: > sorry > i'm Try again > > [root@localhost ~]# vi wvdial.out > --> WvDial: Internet dialer version 1.54.0 > --> Cannot get information for serial port. > --> Initializing modem. > --> Sending: ATZ > ATZ > OK > --> Sending: ATQ0 V1 E1 S0=0 X3 &C1 &D2 +MS=90 > ATQ0 V1 E1 S0=0 X3 &C1 &D2 +MS=90 > OK > --> Modem initialized. > --> Sending: ATDT91699431 > --> Waiting for carrier. > ATDT91699431 > --> Timed out while dialing. Trying again. > --> Sending: ATDT91699431 > --> Waiting for carrier. > --> Timed out while dialing. Trying again. > --> Sending: ATDT91699431 > --> Waiting for carrier. > --> Timed out while dialing. Trying again. > > > > > >