lost sms

Hi
 
I built the luca/gsmmap branch, and saw many messages in the wireshark with protocol GSM_SMS;
but when I tried to capture my sms (sending by my own phone), it does not work, I can not see my sms in wireshark;
then I used another phone to send a message to my phone, I saw nothing in wireshark too;
Could anyone tell me why?
Is it a problem about time slot ?
Regards,
 
Swift
changchuan618@gmail.com

Re: lost sms


Dear Swift,

The gsmmap branch that you are using was created to allow users
to submit their own traffic to gsmmap.org and it's not meant to
be used as a mass interception tool.
If you use ccch_scan _and_ specify your ARFCN _and_ specify your TMSI
_and_ your network does not use encryption, then you will probably be
able to see your SMS in wireshark. Please note that the TMSI may be
re-allocated by the network at any time.

To make testing easier I suggest you to use a second Osmocom phone
running the official mobile application/firmware and set the "stick"
option in the configuration, so the ARFCN will not change.

Cheers,

LM

Re: Re: lost sms

Thanks Luca!
 
> If you use ccch_scan _and_ specify your ARFCN _and_ specify your TMSI
> _and_ your network does not use encryption
 
Yes, my network does not use encryption, but I did not specify TMSI when using ccch_scan.
How could I specify TMSI ? With a new parameter when using ccch_scan?
 
And, what if I use lots of phones(e.g. 8 or more) to sniff per ARFCN? Will I capture all the message sent by myself?
 
Regards,
 
Swift
 
 
changchuan618@gmail.com
 
From: Luca Melette
Date: 2014-05-29 15:49
To: baseband.devel@lists.osmocom.org
Subject: Re: lost sms
 
Dear Swift,
 
The gsmmap branch that you are using was created to allow users
to submit their own traffic to gsmmap.org and it's not meant to
be used as a mass interception tool.
If you use ccch_scan _and_ specify your ARFCN _and_ specify your TMSI
_and_ your network does not use encryption, then you will probably be
able to see your SMS in wireshark. Please note that the TMSI may be
re-allocated by the network at any time.
 
To make testing easier I suggest you to use a second Osmocom phone
running the official mobile application/firmware and set the "stick"
option in the configuration, so the ARFCN will not change.
 
Cheers,
 
LM