Flash client Phone.html is deprecated and not currenly supported.
Questions and Answers
Why Phone.html does not work with WCS3?
How can i enable g729 encoding?
Just add g729 to this codec list.
How can i setup automatic login and auto call function?
Here the docs:
What about speex codec bandwidth? How can i optimize it?
Speex uses quality 6 on client. It’s codec bw: 20kbps
Where can i find client source code?
Here the client:
We use Flash client only. Can we use WCS2.1 instead of WCS3?
WCS2 is no longer available.
We implemented audio mixing on Flash client and it does not work properly
You are right, Flash Player does not support mixing of incoming audio streams and it does not support modification of outgoing RTMFP stream.