Есть ubuntu server 12.04, два модема (GSM и спутниковый ) и wvdial.
При дозвоне по первому модему все работает нормально.
При дозвоне по второму встает на строчке "--> Pid of pppd: 1909" и подключение не поднимается.
Так может провисеть, пока не прервешь.
Вывод wvdial
sudo wvdial Sat
--> WvDial: Internet dialer version 1.61
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Modem initialized.
--> Sending: ATDT123
--> Waiting for carrier.
ATDT123
CONNECT
--> Carrier detected. Starting PPP immediately.
--> Starting pppd at Tue Aug 20 11:03:29 2013
--> Pid of pppd: 1909
^CCaught signal 2: Attempting to exit gracefully...
--> Disconnecting at Tue Aug 20 11:14:48 2013
wvdial.conf
[Dialer GSM]
Modem = /dev/ttyS2
Init2 = AT+CGDCONT=1,"IP","internet"
Phone = *99***1#
Modem Type = Analog Modem
Stupid Mode = 1
Baud = 115200
New PPPD = yes
ISDN = 0
Password = gdata
Username = gdata
Auto Reconnect = off
Idle Seconds = 0
[Dialer Sat]
Modem = /dev/ttyS1
#Init2 = at$qcstatus
#Init3 = at$qcpknd=1
Phone = 123
Modem Type = Analog Modem
Stupid Mode = on
#Baud = 9600
Baud = 19200
New PPPD = yes
Username = 123
Password = 123
ISDN = 0
Auto Reconnect = off
Idle Seconds = 0
Auto DNS = 1
Check Def Route = 1
[Dialer Defaults]
Init1 = AT
Настройки модема рабочие.