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Nik Pakar nikpakar at gmail.comHi Andreas, is the LCR actually transcoding gsm-fr to alaw towards sip side ? Rgds Nik On Wed, Mar 7, 2012 at 3:17 PM, Nik Pakar <nikpakar at gmail.com> wrote: > Hi Andreas, > > Call signalling all works fine right through out from NITB to LCR and out > on SIP. how ever im getting some strange media behaviour. > > My setup is, > > [MS]---[nano.BTS]---[NITB/LCR]----[SIP Softswitch] > > LCR is setup to bridge two interfaces, so what ever comes from gsm goes to > sip and what ever comes from sip goes to gsm. > > Now a test call from a mobile to mobile, should go all the way to the > softswitch and come back. > > All works fine in terms of signalling. > > But in media, LCR seems sending initial SDP to the softswitch as PCMA:8 > not gsm FR. > > So softswitch expect the media as PCMA and not transcoding. > > Same if the call goes out from softswitch, still no medial as it think > incoming media from LCR is on PCMA. > > Any idea about this ? > > This is the LCR trace - http://pastebin.com/5PNKYc5m > This is the sip trace from softswitch - http://pastebin.com/cVtx1mFB > > Rgds > Nik > > > On Tue, Mar 6, 2012 at 3:38 PM, Nik Pakar <nikpakar at gmail.com> wrote: > >> Hi Andreas, got it working both ways now. Many thanks for nice work. >> >> I will now test it further with transcoding. >> >> And start on the documentation. >> >> Rgds >> Nik >> >> On Tue, Mar 6, 2012 at 12:51 PM, Nik Pakar <nikpakar at gmail.com> wrote: >> >>> Hi Andreas, i now have calls coming from external sip->LCR->gsm >>> >>> But still cant figure out the dial plan to send a call out on sip, >>> gsm->LCR->sip >>> >>> I tried, >>> >>> dialing=072333444 : extern interfaces=sip prefix=072333444 >>> >>> But on LCR trace it shows as below. I think im missing some thing small >>> here. Appreciate if you can give a little hint. >>> >>> Thanks >>> nik >>> >>> 06.03.12 12:40:41.286 EP(1): ACTION (match) action goto line 11 >>> 06.03.12 12:40:41.286 EP(1): ACTION goto/menu (change to) ruleset >>> extern dialing 072333444 >>> 06.03.12 12:40:41.286 EP(1): ACTION (match) action extern line 28 >>> 06.03.12 12:40:41.286 EP(1): ACTION extern (calling) number 072333444 >>> interfaces sip >>> 06.03.12 12:40:41.287 EP(1): SETUP ACKNOWLEDGE to CH(1) >>> 06.03.12 12:40:41.287 EP(2): CHANNEL SELECTION (found given interface) >>> interface sip >>> 06.03.12 12:40:41.287 EP(2): INTERFACE (has no function) interface�@ >>> 06.03.12 12:40:41.287 EP(2): INTERFACE (no free ports found) >>> 06.03.12 12:40:41.287 EP(1): TONE to CH(1) directory default name >>> cause_22 >>> 06.03.12 12:40:41.287 EP(1): DISCONNECT to CH(1) cause value=34 >>> location=1-Local-PBX >>> 06.03.12 12:40:41.287 CH(1): MNCC_DISC_REQ LCR<->BSC progress coding=3 >>> location=1 descr=8 cause coding=3 location=1 value=34 >>> 06.03.12 12:40:56.246 CH(1): MNCC_REL_IND LCR<->BSC cause coding=3 >>> location=0 value=16 >>> 06.03.12 12:40:56.247 EP(1): RELEASE from CH(1) cause value=16 >>> location=0-User >>> 06.03.12 12:40:56.247 EP(1): ACTION hangup >>> >>> >>> On Tue, Mar 6, 2012 at 7:44 AM, Nik Pakar <nikpakar at gmail.com> wrote: >>> >>>> Hi Andreas, >>>> >>>> It was apperently compiled on my debian while i had misdn libs >>>> isntalled. Now im trying on a fresh debian from the same set of sources >>>> which i got it working and without misdn, it fails to compile gsm. >>>> >>>> Attached is my config output and compile break. >>>> >>>> http://pastebin.com/W6UHn4Lc >>>> >>>> So should i still install misdn even though its not used. >>>> >>>> Rgds >>>> Nik >>>> >>>> >>>> On Mon, Mar 5, 2012 at 10:05 AM, Andreas Eversberg < >>>> andreas at eversberg.eu> wrote: >>>> >>>>> Alexander Chemeris wrote: >>>>> > Does it mean that that now we can use LCR with other SIP >>>>> > softswitches/PBX'es, like Freeswitch? I do not follow LCR development >>>>> > closely, but that would be a very interesting development. >>>>> > >>>>> yes, this was my intention. gsm and sip interface of lcr will not rely >>>>> on misdn anymore. currently i don't support audio transfer via >>>>> chan_lcr, >>>>> so chan_lcr will only work with isdn interfaces. the sip interface >>>>> implementation has not much options, so it can only do sipmple >>>>> point-to-point sip connections to a gateway or endpoint. >>>>> >>>> >>>> >>> >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20120307/72eb9f16/attachment.htm>