Jim, It is clearly a line quality problem, not a driver problem.1) It is better not to use Stupid Mode = yesas this limits beneficial negotiations with the IPPlease see Jacques Postinstall Howto at http://linmodems.technion.ac.ilfor other options which may stabilize the contact. MarvS On 11/5/07, yh <yh@xxxxxxxxxxxxxx> wrote:> Hi Marvin,>> I've built and installed it. But, the modem connection is so unreliable.> I have to try 3 - 6 times everytime before it can be connected. Please> see following log messages and wvdial.conf>> martian: info: Your port is /dev/ttySM0> ~$ --> WvDial: Internet dialer version 1.56> Started Mon Nov 5 18:49:51 2007>> --> Initializing modem.> --> Sending: ATZ> ATZ> OK> --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0> ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0> OK> --> Modem initialized.> --> Sending: ATDT0198307022> --> Waiting for carrier.> ATDT0198307022> CONNECT 34666 V42bis> --> Carrier detected. Starting PPP immediately.> --> Starting pppd at Mon Nov 5 18:50:24 2007> --> Pid of pppd: 14223> --> Using interface ppp0> --> pppd: H�> --> pppd: H�> martian: info: session: carrier lost> martian: info: session: Closed Mon Nov 5 18:50:39 2007> --> pppd: H�> --> pppd: H�> --> Disconnecting at Mon Nov 5 18:50:39 2007> --> The PPP daemon has died: A modem hung up the phone (exit code => 16)> --> man pppd explains pppd error codes in more detail.> --> Try again and look into /var/log/messages and the wvdial and pppd> man pages for more information.>>>> Nov 5 18:50:25 debian kernel: PPP generic driver version 2.4.2> Nov 5 18:50:25 debian pppd[14223]: pppd 2.4.4 started by root, uid 0> Nov 5 18:50:25 debian pppd[14223]: Using interface ppp0> Nov 5 18:50:25 debian pppd[14223]: Connect: ppp0 <--> /dev/pts/12> Nov 5 18:50:39 debian pppd[14223]: Modem hangup> Nov 5 18:50:39 debian pppd[14223]: Connection terminated.> Nov 5 18:50:39 debian pppd[14223]: Exit.> Nov 5 18:51:35 debian pppd[14275]: pppd 2.4.4 started by root, uid 0> Nov 5 18:51:35 debian pppd[14275]: Using interface ppp0> Nov 5 18:51:35 debian pppd[14275]: Connect: ppp0 <--> /dev/pts/13> Nov 5 18:51:54 debian pppd[14275]: Modem hangup> Nov 5 18:51:54 debian pppd[14275]: Connection terminated.> Nov 5 18:51:54 debian pppd[14275]: Exit.>>>> [Dialer Defaults]> Modem = /dev/modem> Baud = 115200> Init1 = ATZ> Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0> ISDN = 0> Modem Type = Analog Modem> Phone = 0198307022> Username = hce@xxxxxxxxxxxxxx> Password = xxxxxx> Carrier Check = no> Auto DNS = on> Abort = on> Auto Reconnect = no> Dial Attempts = 1> Stupid Mode = yes>>> Thank you.>> Kind Regards,>> Jim>>
