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Old 06-12-2007, 11:05 AM   #1
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Registered: Dec 2005
Posts: 5

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Nokia CDMA Modem Setup

Hi All

I have a Nokia 3105 which is a CDMA phone I am trying to setup an internet connection using the built in modem on a laptop running PClinuxOS 2007 latest release.

I have a DKU-5 cable plugged into the USB and phone I can use the terminal in KPPP to send AT commands and receive responses so the communications link seems ok

If I try to dial the CDMA service using KPPP or wvdial the phone dials the access number but then I get the error "No Carrier" and the phone displays data call ended.

If I use the windows 3g modem driver on a windows xp machine everything works ok, if I use the 2g or data fax driver under windows I get much the same response as linux gives IE the phone dials and hangs up after a few seconds with no carrier.

Hence I believe the modem needs to be setup for 3g so I have tried setting my second init strings as follows

AT+crm=1 this is defined as packet data service relay model

and also as

AT+crm=2 which is packet data service network model

But neither option works, the KPPP log and wvdial both report a response of OK to either command

Does anyone have any ideas?

Old 06-13-2007, 10:30 AM   #2
LQ Newbie
Registered: Dec 2005
Posts: 5

Original Poster
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Fixed It

Hi People

For those that are interested I have resolved this issue, went round the houses some what!!

The fix was easy in the end, I checked the windows XP log and found some extra AT commands

Here is the wvdial.conf file

[Dialer Defaults]
Phone = #777
Username = ymobile
Password = ymobile
Modem = /dev/ttyUSB0
Carrier Check = no
Stupid Mode = 1
Modem Type = CDMA

For those of you that noticed I have not listed the Baud rate as I cant go above 57K for some reason.

I followed the how to by petersum to start with though PClinuxOS 2007 had setup part 1 automatically however going with the guide insured the initial comms where working big thank you petersum for a good how to.

All the best



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