Cannot find MSRP session

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.Share content from Audio/Video call screen (ScreenAV.java).

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

File sharing is not done between two two devices and between two AVDS.
Instead of that i get error in Log cat as 

E/org.doubango.imsdroid.Screens.ScreenFileTransferView(335): Cannot find MSRP 
session with id=29

I successfully done Audio and Video call in both devices and AVDS(Android 
Virtual Devices).
But Do not able to do File transfer.OR generate MSRP session.

For MSRP which fields i want to change in Options(Setting).
I follow steps as per below link.
http://code.google.com/p/imsdroid/wiki/sip2sip_info

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

I use SIP accounts of sip2sip.info
IMSDroid version=2.0.484
doubango_revision=687
NGN version=2.0 

Please provide any additional information below.

What thing I missing to get File Transfer and Chat to work in IMSDroid?
Please guide me to solve this issue.

Original issue reported on code.google.com by android....@gmail.com on 24 Apr 2012 at 8:28

sumit1git / imsdroid

Cannot find MSRP session #342