internet problem

hello friends,
i have BSNL HUAWEI EC325 NIC USB MODEM.
my os is ubuntu 8.10(intrepid ibex).

problem is that ,i can connect the Internet by [wvdial].after pressing enter the message on terminal prompt is as below

# wvdial[enter]
WvDial< *1>: WvDial: Internet dialer version 1.56
WvModem< *1>: Cannot get information for serial port.
WvDial< *1>: Initializing modem.
WvDial< *1>: Sending: ATZ
WvDial Modem< *1>: ATZ
WvDial Modem< *1>: OK
WvDial< *1>: Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
WvDial Modem< *1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
WvDial Modem< *1>: OK
WvDial< *1>: Modem initialized.
WvDial< *1>: Sending: ATDT#777
WvDial< *1>: Waiting for carrier.
WvDial Modem< *1>: ATDT#777
WvDial Modem< *1>: CONNECT
WvDial< *1>: Carrier detected. Starting PPP immediately.
WvDial: Starting pppd at Mon Jan 26 13:26:53 2009
WvDial: Pid of pppd: 14536
WvDial< *1>: Using interface ppp0
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: local IP address 10.1.0.169
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: remote IP address 10.64.64.64
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: primary DNS address 218.248.240.23
WvDial< *1>: pppd: ��[06][08]��[06][08]
WvDial< *1>: secondary DNS address 218.248.240.135
WvDial< *1>: pppd: ��[06][08]��[06][08]

i thought now i was connected to internet.
but there was no confirmation msg. by nm applet. and also i cant surf the internetby browser.

please help me.
please send me a copy of ur answer to <email address hidden>.

thanx in adv.