Calls not working when network changed

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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. Register on wifi and then shut wifi off and let 3G network take over.
2. Register on 3G and then enable wifi.
3.Call to one number , during call is in progress change the network from one 
to another ,in this case voice is not there at both ends.

What is the expected output? What do you see instead?
When network is switched voice should be present both sides.

What version of the product are you using? On what operating system?
Latest Imsdroid and Android 2.3 Version

Please provide any additional information below.

Original issue reported on code.google.com by maheshat...@gmail.com on 24 May 2013 at 11:46

Merged into: #451

yuanjianjiang / imsdroid

Calls not working when network changed #452