My modem Prolink 1456PVA is detected by Ubuntu after installing agrsm-20080203.tar.gz. But it's needed to install every time i restart my pc. and though it's detected it can't connect to the net. The error report of log report is as follows: sazzad@sazzad-desktop:~$ wvdial WvDial<*1>: WvDial: Internet dialer version 1.56 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: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: BUSY WvDial<Warn>: The line is busy. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: BUSY WvDial<Warn>: The line is busy. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: BUSY WvDial<Warn>: The line is busy. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: BUSY WvDial<Warn>: The line is busy. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: BUSY WvDial<Warn>: The line is busy. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: CONNECT 33600 V42bis WvDial<*1>: Carrier detected. Waiting for prompt. WvDial<Err>: Connected, but carrier signal lost! Retrying... WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: Welcome to 3Com Total Control HiPer ARC (TM) WvDial Modem<*1>: Networks That Go The Distance (TM) WvDial Modem<*1>: login: WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: Password: WvDial<Warn>: Timed out while dialing. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: Login Incorrect WvDial Modem<*1>: login: WvDial Modem<*1>: login: WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: Password: WvDial<Warn>: Timed out while dialing. Trying again. WvDial<*1>: Sending: ATDT0101330 WvDial<*1>: Waiting for carrier. WvDial Modem<*1>: Login Incorrect WvDial Modem<*1>: login: WvDial Modem<*1>: login: WvDial Modem<*1>: ATDT0101330 WvDial Modem<*1>: Password: Caught signal 2: Attempting to exit gracefully... WvDial<*1>: Disconnecting at Fri May 16 09:40:15 2008 Hope anyone can provide some solution. regards sazzad