which revision can support video call/stun perfectly?

```
a) Before posting your issue you MUST answer to the questions otherwise it
will be rejected (invalid status) by us
b) Please check the issue tacker to avoid duplication
c) Please provide network capture (wireshark) or Android log (DDMS output)
if you want quick response

What steps will reproduce the problem?
1. Install/Configure opensips or kamailio on internet with rtpproxy disabled
2. install/configure stun server
3. install latest imsdroid on android phones and put these two phone under
different private wifi network
4. configure android phones to use same specified stun server, audio and video
settings
5. make video call

What is the expected output? What do you see instead?
Expect the caller and callee can see each other's video.
But green screen is always seen.
It seems that stun functionality in imsdroid/doubango has problem.
So open this issure to consult which revision can support stun/video call
perfectly?

Thanks,
Mingpo GU

What version of the product are you using? On what operating system?

Please provide any additional information below.

```

Original issue reported on code.google.com by `gumin...@gmail.com` on 21 Aug 2013 at 2:10