On Fri, May 11, 2018, at 10:07 AM, Steve Edwards wrote: <snip>
> > So, without examining the RTP, you cannot tell which codec was actually > used? >From an Asterisk perspective "core show channel" will also show you what is >currently flowing. > In the above example, even though the INVITE/SDP says they prefer gsm over > ulaw and the OK/SDP says I prefer ulaw over gsm, they can choose to use > gsm or ulaw? Yes. > Can it be asymmetrical? They send gsm and I send ulaw? Technically, yes. In practice it's a bit iffy - specifically because some DSPs in devices won't allow it - they require a single codec be in use for each direction. -- Joshua Colp Digium, Inc. | Senior Software Developer 445 Jan Davis Drive NW - Huntsville, AL 35806 - US Check us out at: www.digium.com & www.asterisk.org -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Check out the new Asterisk community forum at: https://community.asterisk.org/ New to Asterisk? Start here: https://wiki.asterisk.org/wiki/display/AST/Getting+Started asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
