some problems about doubango for the newest version

[GoogleCodeExporter]

What steps will reproduce the problem?
1.device A call device B , after a few minutes(sometimes more long), device A 
or B will have no voice,But through the Wireshark capture, i found a voice data 
stream is still transferring. i observe RTP transfer packet, every time when 
RTP packet's seq value arrive 65536,device A or device B will be no sound. 
before version has no this problem
2.echo is still very serious, especially when open the handsfree
3. device A call device B for a long time, when device A hang up, but the 
device B will not be hung up. but if it is a short time, device A hang up, B 
will also be hung up.

What is the expected output? What do you see instead?
The call is normal for long time,and should no echo

What version of the product are you using? On what operating system?
I use imsdroid SVN565, doubango SVN1049

Please provide any additional information below.

Original issue reported on code.google.com by zhangxia...@gmail.com on 16 Apr 2014 at 1:37

[GoogleCodeExporter]

So the obvious question, why the project team has not found? No one can solve?

Original comment by zhangxia...@gmail.com on 18 Apr 2014 at 1:01

[GoogleCodeExporter]

After a period of research, I have some answers to the three questions above。
For the first question, is due libspeexdsp.sa the library there is a 
problem,Before SVN1025 version is no problem，so i can sure certainly after 
update the new compile methods, the new library is causing the problem。

Original comment by zhangxia...@gmail.com on 4 May 2014 at 9:10