You have to get you OXE Admin to take a look into this one.
This is what I can see from the provided logs:
1) RequestSingleStep transfer is issued at 12:56:03
[color=red]12:56:03.819 Trc 04541 RequestSingleStepTransfer received from [516] (00000006 IW_5216615 192.168.20.1:2902)
message RequestSingleStepTransfer
AttributeReferenceID 8
AttributeThisDN '5266615'
AttributeUserData [2] 00 00..
AttributeExtensions [2] 00 00..
AttributeReason [2] 00 00..
AttributeLocation ''
AttributeOtherDN '00156715155'
AttributeConnID 006c020008041001
12:56:03.819 Int 04543 Interaction message "RequestSingleStepTransfer" received from 516 ("IW_5216615")
12:56:03.819 -- created: CRequest@27e2dac RequestSingleStepTransfer-IW_5216615[516]/8
12:56:03.819 +++ CIFace::Request +++
-- new invoke
-- replace substitution with real device
-- thisCall by party
-- replace group with real device
Parsed: RequestSingleStepTransfer/RequestInitiateTransfer
From: IW_5216615[516]/8
Numbers: +<5216615> -<00156715155>
Calls: 27e2fd8:1 none
Parties: 5216615.2803e98-27e2fd8:1
none
Status: parsed:1 queued:0 sent:0 acked:0 preevent:0 event:0 context:0 transferred:0
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2) EventNetworkReached is received at 12:56:04
[color=red]
12:56:04.237 --- Input ---
12:56:04.237 +++ Input +++
-- monitor: 5216615
+++ CIFace::Event +++
+++ Pre-event +++
Type EventNetworkReached
Devices: <5216615/5216615> <-/-> <-/->
Calls: 4308/006c020008041001^4308.2803708/c:1/r:0['10 d4'H] 0/none
Network ID: 53e1064fd4106300:0
Parties: d5266615/5216615.2803bf0-2803708:2/l:1/r:0/Dialing,Active,Origination[c='10 d4'H d=dynamicID : '03 d3 01 00'H]
X00156715155/00156715155.2803d38-2803708:2/l:2/r:0/Null,Destination[c='10 d4'H d=dynamicID : '06 1f 01 04'H]
none
ANI/DNIS: <none> <00156715155>
Cause: NewCall/22, Info: 0
Call type: Outbound/3
Flags: divert=0 hook=0 postCall=0 active=1 moveAll=1 callType=1 hideOtherPi=0 InternalOther=0
PBX time stamp: 12:56:04.000
--- Pre-event ---
RSItched with CRequest@27e2dac RequestInitiateTransfer-IW_5216615[516]/8
-- emulating single-step
+++ NetworkReached +++
SetNetworkReached: party 5216615^2803bf0-2803708:2, cause SingleStepTransfer
-- party not bound: message cleared
--- NetworkReached ---
+++ Post-event +++
Type EventNetworkReached
Devices: <5216615/5216615> <-/-> <-/->
Calls: 4308/006c020008041001^4308.2803708/c:1/r:0['10 d4'H] 0/none
Network ID: 53e1064fd4106300:0
Parties: d5266615/5216615.2803bf0-2803708:2/l:1/r:0/NetworkReached,Active,Origination[c='10 d4'H d=dynamicID : '03 d3 01 00'H]
X00156715155/00156715155.2803d38-2803708:2/l:2/r:0/Null,Destination[c='10 d4'H d=dynamicID : '06 1f 01 04'H]
none
ANI/DNIS: <none> <00156715155>
Cause: SingleStepTransfer/52, Info: 0
Call type: Outbound/3
Flags: divert=0 hook=0 postCall=0 active=1 moveAll=1 callType=1 hideOtherPi=0 InternalOther=0
PBX time stamp: 12:56:04.000
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3) RequestCompleteTransfer (Internal message) is issued at 12:56:04
[color=red]
12:56:04.980 --- Input ---
12:56:05.234 Q state:RQ[0,0]
12:56:05.234 CIFace: Sent CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8
12:56:05.234 -- request was queued
12:56:05.234 -- RegisterQueue: CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8 1e2c678 RQ[0,1]
12:56:05.234 -- RegisterQueue: CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8 26653c0 RQ[0,1]
12:56:05.234 +++ Input +++
CSTA2Server::Response(): RQ[0,1], sent: 1
Response (1141): for CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8
-- error reporting postponed
FinishRequest CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8
IFace stats: q=0 s=0
-- recycled
-- AckQueues(): CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8 26653c0
-- AckQueues(): CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8 1e2c678
-- replace substitution with real device
-- thisCall by party
-- replace group with real device
-- DelayRequest: 250 msec
12:56:05.234 --- Input ---
12:56:05.484 +++ CIFace::Request +++
-- new invoke
Parsed: RequestSingleStepTransfer/RequestCompleteTransfer
From: IW_5216615[516]/8
Numbers: +<5216615> -<00156715155>
Calls: 27e2fd8:1 2803708:2
Parties: 5216615.2803e98-27e2fd8:1
5216615^2803bf0-2803708:2
Status: parsed:1 queued:0 sent:0 acked:0 preevent:0 event:0 context:0 transferred:0
-----
-- validate
-- state check: ok
Q state:RQ[0,0]
CIFace: Sent CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8
-- RegisterQueue: CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8 1e2c678 RQ[0,1]
-- RegisterQueue: CRequest@27e2dac RequestCompleteTransfer-IW_5216615[516]/8 1db1848 RQ[0,1]
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4) At this point there seems to start some kind of loop: attribute "-- recycled" is seen from this point on until 12:56:11
5) At 12:56:11 " -- recycling limit reached!" is seen in logs
6) Request is rejected by OXE:
[color=red]
12:56:11.733 Trc 36002 Request rejected: error code 1141(CSTA error: operationalErrors : requestIncompatibleWithObject)
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OXE Admin should pay attention to the loop that last around 8 seconds