This method has been tested on different mobiles and has been confirmed to be working. Below are the Settings you require to configure on your Mobile!!
Account Name: Vodafone_gprs
Homepage: http:// live.vodafone.in
User Name: (blank)
Pass: (blank)
Access Point Settings:-Proxy:Enabled
Proxy Address: 10.10.1.100
Proxy Port: 9401
Data Bearer: Packet Data
Bearer Settings:-Packet Data
Access Point: portalnmms
Network type: IPV4
Authentication: normal
If that happen this settings is not working then change the proxy port number to:-Proxy
Port: 9401
