Incoming call not working

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Install redfire on openfire
2. Register with SIP server
3. try to call sip web phone
4. no incoming call on web phone

What is the expected output? What do you see instead?
Expected to see incoming call go through.. Outgoing calls work great.

What version of the product are you using? On what operating system?
redfire 0.0.0.6
Openfire 3.7.1
Centos 5.6

Please provide any additional information below.

Possibly related problems with red5phone:
http://code.google.com/p/red5phone/issues/detail?id=72
http://code.google.com/p/red5phone/issues/detail?id=145&start=100
http://code.google.com/p/red5phone/issues/detail?id=153&start=100

But I cannot find the files on the redfire where to fix this (if this even 
applies for my problem above)?

Original issue reported on code.google.com by black...@gmail.com on 30 Mar 2012 at 3:19