Open Source Mobile Communications

10/06/2022

04:25 PM OsmoBTS Bug #5645: osmo-bts-trx crashes when using gsmtap option -i

We have decied to put asserts in the msgb_lXhlen() functions, so if we call it with an msgb that does not have the re... dexter

07:52 AM libosmocore Revision d9d62102 (libosmocore): msgb: assert msgb->lXh to be not NULL

When any of l1h, l2h, l2h or l4h is set to NULL (which is the default
for newly allocated message buffers). Then the ... dexter

07:52 AM libosmocore Revision 724c1625 (libosmocore): msgb: do not use msgb_l4 instead of msgb_sms

The macro msgb_sms() is basically an alias for msgb_l4(). Lets use
msgb_l4() in msgb_l4len() instead of msgb_sms().
... dexter

10/05/2022

09:45 AM OsmoMGW Bug #4745: osmo-mgw: Wrong IP address returned in SDP "o=" section

RFC 4566, capter 5.2 says: "For privacy reasons, it is sometimes desirable to obfuscate the username and IP address o... dexter

09:37 AM OsmoMGW Bug #4745: osmo-mgw: Wrong IP address returned in SDP "o=" section

No the question is: Who begins the session. Is it the party that sends the CRCX without SDP or is it the MGW that ass... dexter

09:35 AM OsmoMGW Bug #4745: osmo-mgw: Wrong IP address returned in SDP "o=" section

I think you are right. The o= field should indeed contain the IP address of the party that started the session. The o... dexter

10/04/2022

01:10 PM OsmoBTS Bug #5645 (In Progress): osmo-bts-trx crashes when using gsmtap option -i

I have traced the problem down to a problem with msgb_l2hlen(). This function returns a value, even when l2h is not p... dexter

09/28/2022

04:15 PM OsmoPCU Feature #5198: Support GPRS on Ericsson RBS

Note: the one and only PDCH is on GSM TS 4 dexter

04:14 PM OsmoPCU Feature #5198: Support GPRS on Ericsson RBS

Thanks for your input @pespin I was just wondering. At the DL FN is indeed a little behind the UL FN, so it makes sen... dexter

03:51 PM OsmoPCU Revision 2b524ebc (osmopcu): Hack to initialize ericsson CCU l1 if

dexter