... I have V600 my service provider does not have GPRS but i have a ISP that i access by land line .Every time i use the v600 modem to dial the isp the call is droped and is say" no responce from dialed computer" . i entered my other phone number i plase of the isp number the phone did not ring and the message " no responce from dialed computer" came up.. how can i fix it so i could call my isp..