This is all i could find in TServer_Sip logs:
@10:33:22.4470 [0] 8.1.101.53 send_to_client: message EventError
(Call has disconnected)
AttributeEventSequenceNumber 000000000001b546
AttributeTimeinuSecs 447000
AttributeTimeinSecs 1526542402 (10:33:22)
AttributeErrorCode 237
AttributeErrorMessage 'device disconnected'
AttributeReferenceID 1646
AttributeReason [14] 00 01 01 00..
'RTR' 110
AttributeExtensions [29] 00 01 00 00..
'CUSTOMER_ID' 'Environment'
AttributeOtherDN '705201'
AttributeConnID 018a02bf338230c5
AttributeThisDN '100002'
AttributeClientID 28599
10:33:22.447 Int 04545 Interaction message "EventError" sent to 708 ("URS")
10:33:22.447 Trc 04542 EventError sent to [708] (00006fb7 URS 10.19.110.100:53220)
-- deleted: CRequest@36a50e0 RequestSingleStepTransfer-URS[708]/1646
10:33:22.447: ModifyForRelease: TReleaseCall in conference, X-Genesys-Orig set to 705201
10:33:22.447: SIPTR(2957): canceled
10:33:22.447: SIPTR(2955): Step 1 - SipTransactionSingleStepTransfer(2957) canceled because of 'release'
10:33:22.447 SIPCONN(0546XXXXXX): operation 1, not deleted timer removed
10:33:22.447: SIPTR(2955): canceled
10:33:22.447: SIPCM: transaction SipScenario canceled because of release
10:33:22.447: SD: none
10:33:22.447 SIPCONN(100002): ClrMediaPeer
10:33:22.447 SIPCONN(0546XXXXXX): ClrMediaPeer
10:33:22.447 SIPCONN(0546XXXXXX): CheckUpdateTransferStatus: no original dialog
10:33:22.447 SIPCONN(100002): set monitor 0000000003a21db0, 0000000000000000
10:33:22.447 SIPCONN(100002): state e:1,p:3,s:0,c:0,rc:0,m:0
10:33:22.447: SipDialog: ClearCall(phone=0,state=7)
10:33:22.447: SipDialog::Terminate(state=7,reason=0)
10:33:22.447: SIPDLG[574]: register TRN[598764]
10:33:22.447: Sending [0,UDP] 513 bytes to 10.19.110.101:5060 >>>>>
BYE sip:CTIConnector@10.19.110.101:5080 SIP/2.0
From: sip:0546XXXXXX@10.19.50.101:5060;tag=327A3F93-E929-44BB-9359-71599D2AEB2A-94589
To: <sip:705201@10.19.110.100:5060>;tag=B03239F4-7FB9-4C40-15A0-8E0727BC27EB
Call-ID: 4EA2E04E-98E2-4CA4-B878-187D79E21D88-94380@10.19.110.100
CSeq: 2 BYE
Content-Length: 0
Via: SIP/2.0/UDP 10.19.110.100:5060;branch=z9hG4bK5D1A101B-CCCE-4743-B40C-7043B5C25EA2-4146
Max-Forwards: 69
Route: <sip:000000000B639020@10.19.110.101:5060;lr;gvp.rm.datanodes=1;idtag=000001F2>
I cant attach all log file if need be :/