SGSN bug report

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Pierre Kim admin at manateeshome.com
Sat Oct 25 09:18:38 UTC 2014


Hello,

I am using a nanoBTS EDGE model.

An iPhone on the same BTS doesn't have this issue.
But Samsung phones and HTC Diamond do.

Everything else(voice/sms) works flawlessly.

Regards,
Pierre

-----Original Message-----
From: openbsc-bounces at lists.osmocom.org
[mailto:openbsc-bounces at lists.osmocom.org] On Behalf Of Holger Hans Peter
Freyther
Sent: Saturday, October 25, 2014 6:04 PM
To: Pierre Kim
Cc: openbsc at lists.osmocom.org
Subject: Re: SGSN bug report

On Sat, Oct 25, 2014 at 03:15:00PM +0900, Pierre Kim wrote:
> Hello,

Hi,

> While testing with multiple devices I found a problem where Samsung 
> phones don't correctly respond to identity request messages.
> 
> Attached is the pcap file of the GPRS-NS transmission.

have you seen the LLC-DISCARDED message? This indicates that a PCU failed to
transmit the data to the phone. Which PCU are you using?

holger







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