NullPointerException on SIP MESSAGE Delivered notification reception about a FToHTTP

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What steps will reproduce the problem?
1.User A sends a file to user B using FToHTTP
2.B receives the INVITE request
3.B sends a SIP MESSAGE request to A, containing a Delivered notification

What is the expected output? 
When A receives the SIP MESSAGE request, it must answer 200 OK on it

What do you see instead?
User does not send 200 OK. After a moment, the IMS Core sends an error response 
to the AS.
We found this error in logs : 
E/[RCS][ImsServiceDispatcher](20080): Unexpected exception
09-17 15:50:03.977: W/System.err(20080): java.lang.NullPointerException
09-17 15:50:03.977: W/System.err(20080):    at 
com.orangelabs.rcs.core.ims.service.ImsServiceDispatcher.searchSession(ImsServic
eDispatcher.java:554)
09-17 15:50:03.977: W/System.err(20080):    at 
com.orangelabs.rcs.core.ims.service.ImsServiceDispatcher.dispatch(ImsServiceDisp
atcher.java:175)
09-17 15:50:03.982: W/System.err(20080):    at 
com.orangelabs.rcs.core.ims.service.ImsServiceDispatcher.run(ImsServiceDispatche
r.java:115)

What version of the product are you using? On what operating system?
2.5.9 on Android 4.0.4

Please provide any additional information below.
Please find in attachment : 
- logs from terminal 
- a network capture from the AS (filter : sip)

Original issue reported on code.google.com by brochard...@gmail.com on 17 Sep 2013 at 2:03

Attachments:

• PbSIP_MESSAGE_DeliveredNotif.txt
• Pb_SIP-MESSAGE_DeliveredNotif.pcap

[GoogleCodeExporter]

Corrected in next release

Original comment by benoit.j...@gmail.com on 24 Sep 2013 at 9:05

• Changed state: Fixed