I get this error code help pleas ! 
30-okt-2013 16:11:21.712 Leg L:2.1[Unknown:] is terminated: Cause: BYE from PBX
30-okt-2013 16:11:21.663 [CM502001]: Source info: From: "Sekretariat backoffice"<sip:11@Dlink>;tag=161710363; To: <sip:10@Dlink;user=phone>
30-okt-2013 16:11:21.663 [CM503013]: Call(C:2): Incoming call rejected, caller is unknown; msg=Ivite-IN Recv Req INVITE from 192.168.0.139:5060 tid=796e664692d763d156de7f83952e049d Call-ID=1976521096@192_168_0_139:
INVITE sip:10@Dlink;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.0.139:5060;branch=z9hG4bK796e664692d763d156de7f83952e049d;rport=5060
Max-Forwards: 70
Contact: <sip:[email protected]:5060>
To: <sip:10@Dlink;user=phone>
From: "Sekretariat backoffice"<sip:11@Dlink>;tag=161710363
Call-ID: 1976521096@192_168_0_139
CSeq: 3 INVITE
Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, REFER, SUBSCRIBE, NOTIFY
Content-Type: application/sdp
Proxy-Authorization: Digest username="11",realm="3CXPhoneSystem",algorithm=MD5,uri="sip:10@Dlink;user=phone",nonce="414d535c0881b29983:042705ad5853650c15607a51eef2cfac",response="1195a5482932741bfd4795d3fa43aae1"
Supported: replaces
User-Agent: C610 IP/42.076.00.000.000
Allow-Events: message-summary, refer, ua-profile
Content-Length: 380
v=0
o=11 5006 1 IN IP4 192.168.0.139
s=Mapping
c=IN IP4 192.168.0.139
t=0 0
m=audio 5006 RTP/AVP 9 8 0 96 97 2 18 101
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 G726-32/8000
a=rtpmap:97 AAL2-G726-32/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
30-okt-2013 16:11:21.526 [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
Invite-UNK Recv Req INVITE from 192.168.0.139:5060 tid=57fa1168759d135c5ed7ddbe397669b6 Call-ID=1976521096@192_168_0_139:
INVITE sip:10@Dlink;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.0.139:5060;branch=z9hG4bK57fa1168759d135c5ed7ddbe397669b6;rport=5060
Max-Forwards: 70
Contact: <sip:[email protected]:5060>
To: <sip:10@Dlink;user=phone>
From: "Sekretariat backoffice"<sip:11@Dlink>;tag=161710363
Call-ID: 1976521096@192_168_0_139
CSeq: 2 INVITE
Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, REFER, SUBSCRIBE, NOTIFY
Content-Type: application/sdp
Supported: replaces
User-Agent: C610 IP/42.076.00.000.000
Allow-Events: message-summary, refer, ua-profile
Content-Length: 380
v=0
o=11 5006 1 IN IP4 192.168.0.139
s=Mapping
c=IN IP4 192.168.0.139
t=0 0
m=audio 5006 RTP/AVP 9 8 0 96 97 2 18 101
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 G726-32/8000
a=rtpmap:97 AAL2-G726-32/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
30-okt-2013 16:11:21.712 Leg L:2.1[Unknown:] is terminated: Cause: BYE from PBX
30-okt-2013 16:11:21.663 [CM502001]: Source info: From: "Sekretariat backoffice"<sip:11@Dlink>;tag=161710363; To: <sip:10@Dlink;user=phone>
30-okt-2013 16:11:21.663 [CM503013]: Call(C:2): Incoming call rejected, caller is unknown; msg=Ivite-IN Recv Req INVITE from 192.168.0.139:5060 tid=796e664692d763d156de7f83952e049d Call-ID=1976521096@192_168_0_139:
INVITE sip:10@Dlink;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.0.139:5060;branch=z9hG4bK796e664692d763d156de7f83952e049d;rport=5060
Max-Forwards: 70
Contact: <sip:[email protected]:5060>
To: <sip:10@Dlink;user=phone>
From: "Sekretariat backoffice"<sip:11@Dlink>;tag=161710363
Call-ID: 1976521096@192_168_0_139
CSeq: 3 INVITE
Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, REFER, SUBSCRIBE, NOTIFY
Content-Type: application/sdp
Proxy-Authorization: Digest username="11",realm="3CXPhoneSystem",algorithm=MD5,uri="sip:10@Dlink;user=phone",nonce="414d535c0881b29983:042705ad5853650c15607a51eef2cfac",response="1195a5482932741bfd4795d3fa43aae1"
Supported: replaces
User-Agent: C610 IP/42.076.00.000.000
Allow-Events: message-summary, refer, ua-profile
Content-Length: 380
v=0
o=11 5006 1 IN IP4 192.168.0.139
s=Mapping
c=IN IP4 192.168.0.139
t=0 0
m=audio 5006 RTP/AVP 9 8 0 96 97 2 18 101
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 G726-32/8000
a=rtpmap:97 AAL2-G726-32/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
30-okt-2013 16:11:21.526 [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
Invite-UNK Recv Req INVITE from 192.168.0.139:5060 tid=57fa1168759d135c5ed7ddbe397669b6 Call-ID=1976521096@192_168_0_139:
INVITE sip:10@Dlink;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.0.139:5060;branch=z9hG4bK57fa1168759d135c5ed7ddbe397669b6;rport=5060
Max-Forwards: 70
Contact: <sip:[email protected]:5060>
To: <sip:10@Dlink;user=phone>
From: "Sekretariat backoffice"<sip:11@Dlink>;tag=161710363
Call-ID: 1976521096@192_168_0_139
CSeq: 2 INVITE
Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, REFER, SUBSCRIBE, NOTIFY
Content-Type: application/sdp
Supported: replaces
User-Agent: C610 IP/42.076.00.000.000
Allow-Events: message-summary, refer, ua-profile
Content-Length: 380
v=0
o=11 5006 1 IN IP4 192.168.0.139
s=Mapping
c=IN IP4 192.168.0.139
t=0 0
m=audio 5006 RTP/AVP 9 8 0 96 97 2 18 101
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 G726-32/8000
a=rtpmap:97 AAL2-G726-32/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
