On Fri, 16 Dec 2005, Daniel Swarbrick wrote: > Armin Schindler wrote: > > > > chan_capi speaks alaw (or ulaw) only, which is set in > > writeformat/readformat. This works with older Asterisk perfectly. But > > with current OpenPBX I get an error when calling SIP/IAX2 which allow > > gsm only. According to the debug log, the formats are set correctly, but > > OpenPBX is sending frames with subclass 'slin' to chan_capi->write instead > > of alaw. > > I have a problem which may or may not be related to what you describe > above anyway. I've got OpenPBX SVN-1137 working quite well with an Eicon > Divas 4-port BRI card - simple in/out calling works fine. If an incoming > CAPI call hits a SIP phone, and that call is answered and then > transferred to another SIP phone, the original PSTN caller hears > extremely choppy/garbled/unintelligible sound, but the SIP callee can > hear the PSTN caller perfectly. Up until the transfer however, the sound > is fine, both ways. The SIP phone (Grandstream GXP2000) shows the codec > as alaw (since we are ETSI in NZ), which is fine because the GXP2000 is > configured for either a/ulaw.
I can confirm this problem. When two sides use different codecs then the transcodec stuff seems to be messed up. Someone here with more knowledge about 'how this works on openpbx' ? Armin > Obviously this is a show-stopper for us, and tonight I had to abort the > PBX cutover and regress to their existing hardware PBX :( > _______________________________________________ > Openpbx-dev mailing list > [email protected] > http://lists.openpbx.org/mailman/listinfo/openpbx-dev > _______________________________________________ Openpbx-dev mailing list [email protected] http://lists.openpbx.org/mailman/listinfo/openpbx-dev
