OXE-OXO busy stat call disconnected

[sera544]

Hi All.

OXE R.9.1 connectd to OXO R.8.00.036.001 via H323 IP trunk, calls are vice versa going , i have strange problem is that when i call from OXO extension if OXE side extension busy display shows that unobtainable message, please find below t3 trace
OXO extensin - 2513
OXE extwnsion - 1117

mtracer started ...
(932431:000001) MTRACER host (10.200.6.11, qnb-a), version: R9.1-i1.605-21-x1-c8
2
(932431:000001) MTRACER num: 009, time: 2011/07/28 14:55:45, loss: 0%
______________________________________________________________________________
| (932459:000002) Concatenated-Physical-Event :
| long: 57 desti: 0 source: 0 cryst: 2 cpl: 0 us: 0 term: 0 type a5
| tei: 0 >>>> message received : SETUP [05] Call ref : 00 6c
| SENDING COMPLETE
|______________________________________________________________________________
|
| IE:[04] BEARER_CAPABILITY (l=3) 80 90 a3
| IE:[18] CHANNEL (l=1) a3 -> T2 : Any B channel
| IE:[28] DISPLAY (l=13) `Safa Mokhtar`
| IE:[6c] CALLING_NUMBER (l=6) -> 09 80 Num : 2513
| IE:[70] CALLED_NUMBER (l=5) -> 89 Num : 1117
|______________________________________________________________________________

______________________________________________________________________________
| (932459:000003) 1161: Send_IO1 (link-nbr=1, sapi=0, tei=0) :
| long: 35 desti: 0 source: 15 cryst: 2 cpl: 0 us: 8 term: 0 type a5
| tei: 0 <<<< message sent : CALL PROC (02) Call ref : 80 6c
|______________________________________________________________________________
|
| [9f] Non-locking shift. codeset : 7
| IE:[06] EI_IP_PAYLOADS (l=3) : (COMP/ECE/VAD)
| -> G723/1/0 G729/1/0 G711a/1/0
| [9f] Non-locking shift. codeset : 7
| IE:[07] EI_IP_QOS (l=3) b8 a0 00
| IE:[18] CHANNEL (l=3) a8 83 81 -> T2 : No B channel
|______________________________________________________________________________

______________________________________________________________________________
| (932459:000004) 1161: Send_IO1 (link-nbr=1, sapi=0, tei=0) :
| long: 22 desti: 0 source: 15 cryst: 2 cpl: 0 us: 8 term: 0 type a5
| tei: 0 <<<< message sent : DISCONNECT [45] Call ref : 80 6c
|______________________________________________________________________________
|
| IE:[08] CAUSE (l=2) 81 9b -> [9b] DESTINATION OUT OF ORDER
|______________________________________________________________________________

______________________________________________________________________________
| (932459:000005) 1161: Send_IO1 (link-nbr=1, sapi=0, tei=0) :
| long: 51 desti: 0 source: 15 cryst: 2 cpl: 0 us: 8 term: 0 type a5
| tei: 0 <<<< message sent : FACILITY [62] Call ref : 80 6c
|______________________________________________________________________________
|
| [9f] Non-locking shift. codeset : 7
| IE:[0a] EI_RTP_INFO (l=30)
| -> stop_packet=0 stop_rtp=0 h323=0 wc=0 rf=0 udp=1 rqm=0
| -> Transm_Bande=1 detection_Q23=1 dtmf_payload=96
| -> Port RTP = 32608, IPv4 : 10. 200. 6. 13.
| -> Port RTCP SR = 32609, IPv4 : 10. 200. 6. 13.
| -> Port RTCP RR = 32609, IPv4 : 10. 200. 6. 13.
| -> Port Fax = 32608, IPv4 : 10. 200. 6. 13.
|______________________________________________________________________________

______________________________________________________________________________
| (932460:000006) Concatenated-Physical-Event :
| long: 22 desti: 0 source: 0 cryst: 2 cpl: 0 us: 0 term: 0 type a5
| tei: 0 >>>> message received : RELEASE [4d] Call ref : 00 6c
|______________________________________________________________________________
|
| IE:[08] CAUSE (l=2) 81 90 -> [90] NORMAL CALL CLEARING
|______________________________________________________________________________

______________________________________________________________________________
| (932460:000007) 1161: Send_IO1 (link-nbr=1, sapi=0, tei=0) :
| long: 22 desti: 0 source: 15 cryst: 2 cpl: 0 us: 8 term: 0 type a5
| tei: 0 <<<< message sent : REL COMP [5a] Call ref : 80 6c
|______________________________________________________________________________
|
| IE:[08] CAUSE (l=2) 81 90 -> [90] NORMAL CALL CLEARING
|______________________________________________________________________________

______________________________________________________________________________
| (932460:000008) Concatenated-Physical-Event :
| long: 22 desti: 0 source: 0 cryst: 2 cpl: 0 us: 0 term: 0 type a5
| tei: 0 >>>> message received : REL COMP [5a] Call ref : 00 6c
|______________________________________________________________________________
|
| IE:[08] CAUSE (l=2) 81 e5 -> [e5] MESSAGE NOT COMPATIBLE WITH CALL STATE
|______________________________________________________________________________

any idea folks to resolve this issue. thanks in advance,

cheers.