Mohon Bantuanya, saya mencoba koneksi internet dengan mengunakan PC Win98, siemens C55, dan kartu IM3, tapi selalu gagal.
setiap kali koneksi selalu muncul
-ERROR: 650
-THE COMPUTER YOU'RE DIALING IN TO DOES NOT RESPOND TO A NETWORK REQUEST.
-CHECK YOUR SERVER TYPE....

-LOG:
09-26-2005 00:18:39.81 - GPRS via COM in use.
09-26-2005 00:18:39.81 - Modem type: GPRS via COM
09-26-2005 00:18:39.81 - Modem inf path: SIEMEN~2.INF
09-26-2005 00:18:39.81 - Modem inf section: Modem1
09-26-2005 00:18:40.04 - 57600,N,8,1
09-26-2005 00:18:40.04 - 57600,N,8,1
09-26-2005 00:18:40.04 - 57600,N,8,1
09-26-2005 00:18:40.04 - Initializing modem.
09-26-2005 00:18:40.04 - Send: AT<cr>
09-26-2005 00:18:40.08 - Recv: AT<cr>
09-26-2005 00:18:40.08 - Recv: <cr><lf>OK<cr><lf>
09-26-2005 00:18:40.08 - Interpreted response: Ok
09-26-2005 00:18:40.08 - Send: AT<cr>
09-26-2005 00:18:40.13 - Recv: AT<cr>
09-26-2005 00:18:40.13 - Recv: <cr><lf>OK<cr><lf>
09-26-2005 00:18:40.13 - Interpreted response: Ok
09-26-2005 00:18:40.13 - Send: AT+FCLASS=0<cr>
09-26-2005 00:18:40.17 - Recv: AT+FCLASS=0<cr>
09-26-2005 00:18:40.17 - Recv: <cr><lf>OK<cr><lf>
09-26-2005 00:18:40.17 - Interpreted response: Ok
09-26-2005 00:18:40.17 - Send: ATS7=60\Q3<cr>
09-26-2005 00:18:40.22 - Recv: ATS7=60\Q3<cr>
09-26-2005 00:18:40.22 - Recv: <cr><lf>OK<cr><lf>
09-26-2005 00:18:40.22 - Interpreted response: Ok
09-26-2005 00:18:40.22 - Send: at+cgdcont=1,"IP","[tautan dihapus]
09-26-2005 00:18:40.27 - Recv: at+cgdcont=1,"IP","[tautan dihapus]
09-26-2005 00:18:40.27 - Recv: <cr><lf>OK<cr><lf>
09-26-2005 00:18:40.27 - Interpreted response: Ok
09-26-2005 00:18:40.28 - Dialing.
09-26-2005 00:18:40.28 - Send: ATD*##***##<cr>
09-26-2005 00:18:40.36 - Recv: ATD*99***1#<cr>
09-26-2005 00:18:40.85 - Recv: <cr><lf>CONNECT<cr><lf>
09-26-2005 00:18:40.85 - Interpreted response: Connect
09-26-2005 00:18:40.85 - Connection established at 57600bps.
09-26-2005 00:18:40.85 - Error-control off or unknown.
09-26-2005 00:18:40.85 - Data compression off or unknown.
09-26-2005 00:19:10.95 - Hanging up the modem.
09-26-2005 00:19:10.95 - Hardware hangup by lowering DTR.
09-26-2005 00:19:14.15 - Send: ATH<cr>
09-26-2005 00:19:14.19 - Recv: ATH<cr>
09-26-2005 00:19:14.19 - Recv: <cr><lf>OK<cr><lf>
09-26-2005 00:19:14.19 - Interpreted response: Ok
09-26-2005 00:19:14.19 - 57600,N,8,1
09-26-2005 00:19:14.19 - Session Statistics:
09-26-2005 00:19:14.19 - Reads : 145 bytes
09-26-2005 00:19:14.19 - Writes: 582 bytes
09-26-2005 00:19:14.19 - GPRS via COM closed.

mohon bimbingannya..