symeric NAT not work well

[GoogleCodeExporter]

What steps will reproduce the problem?
1.both clients are imsdroid with the latest doubango version,both of them 
behind symeric NAT,ice function is open,
2.make a video call,
3.usually only one side (ice controled side)can receive video and audio streams.
  sometimes both side can see and hear the other side.

What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?
r1250

Please provide any additional information below.
ice still not well,this is a serious bug,when we tested,sometimes we can't see 
or hear the other side.can you fixed this issue as soon as possible ???
thanks.

Original issue reported on code.google.com by [email protected] on 5 Mar 2015 at 2:21

[GoogleCodeExporter]

can you help me??

Original comment by [email protected] on 7 Mar 2015 at 1:47