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Nik Pakar nikpakar at gmail.comHi Nava, I have tried the same some time ago. LCR-SIP implementation seems very nice in what you trying to do without using asterisk. I managed to get calls ring back and forward in a similar setup but i was running into serious problems with RTP/media. This was mainly due to transcoding or rtp-bridge functions. I was some what successful with the help from andreas but could not make it work 100%. May be now there is a fix for the rtp issues which i never tried after that. Give it a try using the latest git clone from LCR and see. As i can remember you need to check out jolly/rtpmux branch in order to get this working. Andreas can give some hint if possible on this. Good luck. Nik. On Mon, Oct 15, 2012 at 9:54 PM, Kelum Navaratne <kelum.nava at gmail.com>wrote: > Hello list, > > First of all congratulation to developers of this project making such > wonderful project in an interesting subject. I am new to this project and > for past few days i managed to go through the documentation and get most of > it tested. Thanks for pretty good documentation in most of the areas as > well. > > I have the osmo-nitb working very fine using a nano bts. > > How ever when i try to install it with LCR to interconnect with external > switch, im facing some problems. Initially i thought i must use > LCR+Asterisk. But later i figured out there is a built in SIP interface on > LCR which there is no need to asterisk or chan_asterisk. I would prefer to > use this LCR SIP interface as i dont want to use asterisk and just want to > forward all calls to another SIP switch. > > Now in this context there seems absolutely no documentation on both > openbsc and LCR/mISDN lists. > > Can some one please shed me some light here on how to build a LCR with SIP > to be work with osmo-nitb. > > All i want to test is > > GSM phone > Osmo-nitb > LCR with SIP > SIP softswitch > > Thank you very much for every one's effort in this project and would be > glad to see some response for this. > > Best Regards > Nava. > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20121015/64e1d5c5/attachment.htm>