Imsdroid sends 481 in reply to an ACK after a call is cancelled

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Please see the SIP dialog from the attached trace

What is the expected output? What do you see instead?
After sent the 487 request, imsdroid receives an ACK and replies with a "481 - 
Dialog/Transaction Does Not Exist"

What version of the product are you using? On what operating system?
Tested on Imsdroid v2.0.520 on Samsung GS2 running Android 4.0.4

Please provide any additional information below.
Please refer to section 3.8 of http://www.rfc-editor.org/bcp/bcp75.txt

Original issue reported on code.google.com by massimo....@gmail.com on 5 Dec 2012 at 4:03

Attachments:

• cancel-call.pcap

[GoogleCodeExporter]

Original comment by boss...@yahoo.fr on 5 Dec 2012 at 11:47

• Changed state: Accepted

[GoogleCodeExporter]

Fixed in "Doubango 787" / "IMSDroid 538"

Original comment by boss...@yahoo.fr on 11 Dec 2012 at 5:37

• Changed state: NextRelease