@nsaxena Save your current modem settings ( MT882) "always on" PPP/PPPoE mode.
Try again "Dialup" "Bridged" mode . Save reboot . wait for 2 or 3 minutes.
After you dial and get the error message open modem page check "Diagnostics" . does it say Authentication failure ?
Update . Just check this.
Network/Lan/properties/TCP/IP properties/ Advanced .
WINS netbios settings : default is selected ?
OR post your TCP/IP settings. IPconfig/all
1.no authentication failure in diagnostic page.
2.wins netbios default is selected.
3.this is my all ipconfig
Windows IP Configuration
Host Name . . . . . . . . . . . . : sbi-cf1f72da363
Primary
Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast Eth
ernet NIC
Physical Address. . . . . . . . . : 00-16-76-
C7-01-A8
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.2
Subnet
Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DNS Servers . . . . . . . . . . . : 192.168.1.1
Lease Obtained. . . . . . . . . . : Saturday, January 26, 2008 8:21:40 P
M
Lease Expires . . . . . . . . . . : Sunday, January 27, 2008 8:21:40 PM
oh god,i can not understand where is problem in windows or bsnl,i think its bsnl because connection worked fine,i never change any setting in
Network/Lan/properties/TCP/IP properties/ Advanced,i always just dial and within second i connected,no problem at all,but now always 678 error,remote computer did not respond,is this dialer software works with vista also,i will install vista if i will have to go formatting and new installing of windows