I should also add, after browsing through some topics here, that my SIP provider sends 172-byte RTP frames, which is in accordance with ptime:20 that it gives to FreeSWITCH.
eaf wrote: > > Hi, > > I'm trying to migrate from Asterisk to FreeSWITCH (really like the way how > it can be programmed), but ran into one issue with sound quality that I > just cannot workaround by myself. I would describe the sound problem as > being "choppy". From time to time small portions of the other party's > voice are dropped, so the voice kind of stutters. This is not too bad, but > is really noticeable, happens in every call and I don't experience the > same with Asterisk running on the same box. I attached two files: > freeswitch.wav and asterisk.mp3 to illustrate my point. > > Issue completely goes away, if I set inbound-proxy-media to true. > > The way how I test is to connect SPA-2000 via 10mbps LAN to the box > directly exposed to internet, and then dial a toll-free via FutureNine (a > SIP provider). > > The codec in use is PCMU. Can't really try PCMA or anything else with this > provider. Only PCMU. Tried to match ptime of provider (30) with ptime of > the SPA, didn't get any improvement. Tried turning off recording, no > change either. > > What puzzles me is that even with greedy codec negotiations and with PCMU > on both sides of FreeSWITCH, it's still saying that > TRANSCODING_NECESSARY. I'm attaching relevant portion of freeswitch.log to > illustrate. > > The box isn't particularly fast: Linux (Debian 4), CPU - AMD Geode LX800 > with 997 bogomips. 256MB RAM. Only one call in progress, so I hope that > it's not a performance issue. > > http://old.nabble.com/file/p26594250/freeswitch.wav freeswitch.wav > > http://old.nabble.com/file/p26594250/asterisk.mp3 asterisk.mp3 > > http://old.nabble.com/file/p26594250/freeswitch.log freeswitch.log > > Tried both 1.0.4 and 1.0.5pre5. Same results. > > What should I do next? Calls are consistently bad with FreeSWITCH, and > consistently show no glitches with Asterisk. > > -- View this message in context: http://old.nabble.com/Choppy-sound-with-PCMU-tp26594250p26599565.html Sent from the Freeswitch-users mailing list archive at Nabble.com. _______________________________________________ FreeSWITCH-users mailing list [email protected] http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org
