Modem hangup just after Serial connection established !

[mananga]

Hello all,

Using Huawei CDMA modem.
Modem hangup just after connection!
Here is the log:

01:54:25 pppd 2.4.3 started by root, uid 0
01:54:27 Serial connection established.
01:54:27 Using interface ppp0
01:54:27 Connect: ppp0 <--> /udev/ttyUSB0
01:54:28 local IP address 10.200.34.104
01:54:28 remote IP address 192.168.1.136
01:54:28 LCP terminated by peer
01:54:28 Connect time 0.0 minutes.
01:54:28 Sent 0 bytes, received 0 bytes.
01:54:31 Connection terminated.
01:54:32 Connect script failed
01:54:32 Modem hangup
01:54:32 Exit.

Using the same modem with my Ubuntu Desktop, I have the following logs:

–> WvDial: Internet dialer version 1.60
–> Cannot get information for serial port.
–> 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: ATDT#777
–> Waiting for carrier.
ATDT#777
CONNECT
~[7f]}#@!}!} } }=}!}$}%}”}&} } } } }#}%B#}%}%}&}%v}5q}’}”}(}”F+~~[7f]}#@!}!}!} }=}!}$}%}”}&} } } } }#}%B#}%}%}&}%v{A}’}”}(}”O[05]~~~~[7f]}#@!}!}”} }=}!}$}%}”}&} } } } }#}%B#}%}%}&}%v|y}’}”}(}” G~~[7f]}#@!}!}#} }=}!}$}%}”}&} } } } }#}%B#}%}%}&}%vE?}’}”}(}”,}4~~[7f]}#@!}!}$} }=}!}$}%}”}&} } } } }#}%B#}%}%}&}%vr[7f]}’}”}(}”wt~
–> Carrier detected. Waiting for prompt.
~[7f]}#@!}!} } }=}!}$}%}”}&} } } } }#}%B#}%}%}&}%w&”}’}”}(}”[10][17]~
–> PPP negotiation detected.
–> Starting pppd at Thu Oct 27 01:47:34 2011
–> Pid of pppd: 6035
–> Using interface ppp0
–> pppd: 8D�[08]�8�[08]
–> pppd: 8D�[08]�8�[08]
–> pppd: 8D�[08]�8�[08]
–> pppd: 8D�[08]�8�[08]
–> pppd: 8D�[08]�8�[08]
–> local IP address 10.200.50.182
–> pppd: 8D�[08]�8�[08]
–> remote IP address 192.168.1.136
–> pppd: 8D�[08]�8�[08]
–> primary DNS address 217.194.130.1
–> pppd: 8D�[08]�8�[08]
–> secondary DNS address 217.194.158.30
–> pppd: 8D�[08]�8�[08]

Any idea ?!

Tks,
Mandi

[Author]

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