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Old 08-08-2008, 01:46 AM   #56 (permalink)
dwangoac
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Default Bluetooth settings for TMobile

Greetings,

Per my previous post I ran in to a blocking error with the USB cable method. I picked up a cheap USB bluetooth adapter and I now have a T-Mobile provided DUN tether working with my 8700 in Kubuntu 8.04 Linux (I'm posting this from it now)!

Here are a few things that are particular to tethering a Blackberry 8700c (unlocked from AT&T) using TMobile's service which differ from SDNick484's instructions:

First off, the steps at Blackberry Curve 8310 as Bluetooth Modem on Ubuntu Hardy pegelinux were fantastic. I'm going to use their naming convention of gprs and gprs-connect-chat instead of bberry and bberry-chat, respectively.

For my configuration, rfcomm.conf needed to be set to use channel 0. I determined this by running:
Code:
sdptool search DUN
This told me that my phone was using channel 0 so my rfcomm bind command looked like this:
Code:
sudo rfcomm bind 0 00:11:22:33:44:55 1
Note that this is a slightly different syntax than other online instructions, but it seems to work OK.

In the gprs (bbery) ppp config file, T-Mobile does not require a username (not even a phone number) so erase the user line entirely. I also set the IP address to :169.254.1.1 which made a lot of console errors go away later.

In gprs-connect-chat (bberry-chat), the following two lines are unique to T-Mobile:

OK 'AT+CGDCONT=1,"IP","wap.voicestream.com","",0,0' \
OK ATD*99***1#

In my case, I had to change my phone's APN (Options -> Advanced -> TCP -> APN field) to wap.voicestream.com as well (with user and password blank because T-Moble just plain doesn't use them). This was probably only required for me because I wiped my phone when moving it from AT&T to T-Mobile. You can double-check your service book to see what your APN is set to.

Once I got that all set up right I was able to run pppd call gprs and everything was happy!

Again, it's probably easiest to use the T-Mobile specific settings with the guide I attempted to link to above as it is very complete. Thanks to everyone who posted information on how to get things working, in particular tcolar and SDNick484. If I happen to get it working through USB I'll be sure to post how I did it but for now I think Bluetooth is a perfectly fine solution.

Best of luck to those who follow,

A.C.
******

Last edited by John Clark : 08-08-2008 at 01:59 AM.
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