[Users] 500 internal error

[zhan li]

RTP proxy is enabled, happened for PSTN termination.
also happpened when 2 SIP client behind the different NAT, or when the 2 SIP 
client behind same NAT, the BYE message will cause the same error message.

The configuration file is just the same as the file from startup package for 
RTP Proxy.




U 69.88.77.66:5120 -> 201.22.33.178:5060
SIP/2.0 200 OK..Via: SIP/2.0/UDP 201.22.33.178:5060;branch=0..Call-ID: c87
e3594-32a56723-65e5 [!at] 201.22.33.178..CSeq (replace the [!at] with a @): 
1 OPTIONS..From: sip:pinger at opens
er.org;tag=ad27d066..To: sip:69.88.77.66:5120;tag=qjp2KfWkSXDEoML2..Cont
act: <sip:1001 at 192.168.1.10:5120>..Allow: INVITE, ACK, OPTIONS, BY
E, CANCEL, REFER, NOTIFY, INFO, PRACK, UPDATE, MESSAGE..Accept: application
/sdp, message/sipfrag, application/dtmf-relay..Supported: replaces..Content
-Length: 0..

U 69.88.77.66:5120 -> 201.22.33.178:5060
INVITE sip:12127977000 at 201.22.33.178 SIP/2.0..Via: SIP/2.0/UDP 192.1
68.1.10:5120;branch=z9hG4bK2xcF52ZeIG9RyjPc..Max-Forwards: 70..User-Agent:
COSUN V1.49.002 CFG0 ..From: "1001" <sip:1001 at 201.22.33.
178>;tag=CXTKU08d8synkO1U..To: "12127977000" <sip:12127977000 at 2
03.98.176.178>..Call-ID: ziblKnSznNbjxCjv [!at] 192.168.1.10..Contact 
(replace the [!at] with a @): <sip:08688
99500500 [!at] 192.168.1.10 (replace the [!at] with a @):5120>..CSeq: 1 
INVITE..Supported: replaces..Content-T
ype: application/sdp..Content-Length: 315....v=0..o=- 91081239 73141710 IN
IP4 192.168.1.10..s=SIP CALL..c=IN IP4 192.168.1.10..t=0 0..m=audio 5121 RT
P/AVP 18 4 0 97 3 8 101..a=rtpmap:18 G729/8000..a=rtpmap:4 G723/8000..a=rtp
map:0 PCMU/8000..a=rtpmap:97 iLBC/8000..a=rtpmap:3 GSM/8000..a=rtpmap:8 PCM
A/8000..a=rtpmap:101 telephone-event/8000..a=fmtp:101 0-15..

U 201.22.33.178:5060 -> 69.88.77.66:5120
SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP 192.16
8.1.10:5120;branch=z9hG4bK2xcF52ZeIG9RyjPc;rport=5120;received=203.122.70.1
55..From: "1001" <sip:1001 at 201.22.33.178>;tag=CXTKU08d8s
ynkO1U..To: "12127977000" <sip:12127977000 at 201.22.33.178>..Cal
l-ID: ziblKnSznNbjxCjv [!at] 192.168.1.10..CSeq (replace the [!at] with a 
@): 1 INVITE..Server: OpenSer (1.0.1
(i386/linux))..Content-Length: 0..Warning: 392 201.22.33.178:5060 "Noisy
feedback tells: pid=16917 req_src_ip=69.88.77.66 req_src_port=5120 in_u
ri=sip:12127977000 at 201.22.33.178 out_uri=sip:12127977000 at 203.9
8.176.174 via_cnt==1"....

U 201.22.33.178:5060 -> 69.88.77.66:5120
SIP/2.0 500 I'm terribly sorry, server error occurred (1/SL)..Via: SIP/2.0/
UDP 192.168.1.10:5120;branch=z9hG4bK2xcF52ZeIG9RyjPc;rport=5120;received=20
3.122.70.155..From: "1001" <sip:1001 at 201.22.33.178>;tag=
CXTKU08d8synkO1U..To: "12127977000" <sip:12127977000 at 201.22.33
.178>;tag=329cfeaa6ded039da25ff8cbb8668bd2.473f..Call-ID: ziblKnSznNbjxCjv@
192.168.1.10..CSeq: 1 INVITE..Server: OpenSer (1.0.1 (i386/linux))..Content
-Length: 0..Warning: 392 201.22.33.178:5060 "Noisy feedback tells: pid=16
917 req_src_ip=69.88.77.66 req_src_port=5120 in_uri=sip:0069086298266808
2 [!at] 201.22.33.178 (replace the [!at] with a @) 
out_uri=sip:12127977000 at 201.22.33.174 via_cnt==1"..
..

U 201.22.33.178:5060 -> 201.22.33.174:5060
INVITE sip:12127977000 at 201.22.33.174 SIP/2.0..Record-Route: <sip:203
.98.176.178;ftag=CXTKU08d8synkO1U;lr=on>..Via: SIP/2.0/UDP 201.22.33.178;b
ranch=z9hG4bK96da.4cdeb4.0..Via: SIP/2.0/UDP 192.168.1.10:5120;rport=5120;r
eceived=69.88.77.66;branch=z9hG4bK2xcF52ZeIG9RyjPc..Max-Forwards: 69..Us
er-Agent: COSUN V1.49.002 CFG0 ..From: "1001" <sip:1001 at 2
03.98.176.178>;tag=CXTKU08d8synkO1U..To: "12127977000" <sip:006908629
82668082 [!at] 201.22.33.178 (replace the [!at] with a @)>..Call-ID: 
ziblKnSznNbjxCjv [!at] 192.168.1.10..Contact (replace the [!at] with a @):
<sip:1001 at 69.88.77.66:5120>..CSeq: 1 INVITE..Supported: replace
s..Content-Type: application/sdp..Content-Length: 336....v=0..o=- 91081239
73141710 IN IP4 192.168.1.10..s=SIP CALL..c=IN IP4 201.22.33.178..t=0 0..m
=audio 35042 RTP/AVP 18 4 0 97 3 8 101..a=rtpmap:18 G729/8000..a=rtpmap:4 G
723/8000..a=rtpmap:0 PCMU/8000..a=rtpmap:97 iLBC/8000..a=rtpmap:3 GSM/8000.
.a=rtpmap:8 PCMA/8000..a=rtpmap:101 telephone-event/8000..a=fmtp:101 0-15..
a=nortpproxy:yes..

U 201.22.33.174:5060 -> 201.22.33.178:5060
SIP/2.0 100 Trying..Via: SIP/2.0/UDP 201.22.33.178;branch=z9hG4bK96da.4cde
b4.0,SIP/2.0/UDP 192.168.1.10:5120;rport=5120;received=69.88.77.66;branc
h=z9hG4bK2xcF52ZeIG9RyjPc..From: "1001" <sip:1001 at 203.98.
176.178>;tag=CXTKU08d8synkO1U..To: "12127977000" <sip:006908629826680
82 [!at] 201.22.33.178 (replace the [!at] with a 
@)>;tag=BD997FE4-12B5..Date: Wed, 05 Jul 2006 09:54:41 GMT..
Call-ID: ziblKnSznNbjxCjv [!at] 192.168.1.10..Server (replace the [!at] with 
a @): Cisco-SIPGateway/IOS-12.x..
CSeq: 1 INVITE..Content-Length: 0....

U 201.22.33.178:5060 -> 69.88.77.66:5120
SIP/2.0 500 I'm terribly sorry, server error occurred (1/SL)..Via: SIP/2.0/
UDP 192.168.1.10:5120;branch=z9hG4bK2xcF52ZeIG9RyjPc;rport=5120;received=20
3.122.70.155..From: "1001" <sip:1001 at 201.22.33.178>;tag=
CXTKU08d8synkO1U..To: "12127977000" <sip:12127977000 at 201.22.33
.178>;tag=329cfeaa6ded039da25ff8cbb8668bd2.473f..Call-ID: ziblKnSznNbjxCjv@
192.168.1.10..CSeq: 1 INVITE..Server: OpenSer (1.0.1 (i386/linux))..Content
-Length: 0..Warning: 392 201.22.33.178:5060 "Noisy feedback tells: pid=16
917 req_src_ip=69.88.77.66 req_src_port=5120 in_uri=sip:0069086298266808
2 [!at] 201.22.33.178 (replace the [!at] with a @) 
out_uri=sip:12127977000 at 201.22.33.174 via_cnt==1"..
..

U 69.88.77.66:5120 -> 201.22.33.178:5060
ACK sip:12127977000 at 201.22.33.178 SIP/2.0..Via: SIP/2.0/UDP 192.168.
1.10:5120;branch=z9hG4bK2xcF52ZeIG9RyjPc..Max-Forwards: 70..User-Agent: COS
UN V1.49.002 CFG0 ..From: "1001" <sip:1001 at 201.22.33.178
>;tag=CXTKU08d8synkO1U..To: "12127977000" <sip:12127977000 at 203.
98.176.178>;tag=329cfeaa6ded039da25ff8cbb8668bd2.473f..Call-ID: ziblKnSznNb
jxCjv [!at] 192.168.1.10..Contact (replace the [!at] with a @): 
<sip:1001 at 192.168.1.10:5120>..CSeq: 1
ACK..Content-Length: 0....

U 69.88.77.66:5120 -> 201.22.33.178:5060
ACK sip:12127977000 at 201.22.33.178 SIP/2.0..Via: SIP/2.0/UDP 192.168.
1.10:5120;branch=z9hG4bK2xcF52ZeIG9RyjPc..Max-Forwards: 70..User-Agent: COS
UN V1.49.002 CFG0 ..From: "1001" <sip:1001 at 201.22.33.178
>;tag=CXTKU08d8synkO1U..To: "12127977000" <sip:12127977000 at 203.
98.176.178>;tag=329cfeaa6ded039da25ff8cbb8668bd2.473f..Call-ID: ziblKnSznNb
jxCjv [!at] 192.168.1.10..Contact (replace the [!at] with a @): 
<sip:1001 at 192.168.1.10:5120>..CSeq: 1
ACK..Content-Length: 0....

U 201.22.33.174:5060 -> 201.22.33.178:5060
SIP/2.0 183 Session Progress..Via: SIP/2.0/UDP 201.22.33.178;branch=z9hG4b
K96da.4cdeb4.0,SIP/2.0/UDP 192.168.1.10:5120;rport=5120;received=203.122.70
.155;branch=z9hG4bK2xcF52ZeIG9RyjPc..From: "1001" <sip:08688995005
00 [!at] 201.22.33.178 (replace the [!at] with a 
@)>;tag=CXTKU08d8synkO1U..To: "12127977000" <sip:00690
862982668082 [!at] 201.22.33.178 (replace the [!at] with a 
@)>;tag=BD997FE4-12B5..Date: Wed, 05 Jul 2006 09:5
4:41 GMT..Call-ID: ziblKnSznNbjxCjv [!at] 192.168.1.10..Server (replace the 
[!at] with a @): Cisco-SIPGateway/
IOS-12.x..CSeq: 1 INVITE..Content-Type: application/sdp..Content-Dispositio
n: session;handling=required..Content-Length: 214....v=0..o=CiscoSystemsSIP
-GW-UserAgent 5365 5815 IN IP4 201.22.33.174..s=SIP Call..c=IN IP4 203.98.
176.174..t=0 0..m=audio 16512 RTP/AVP 18 101..a=rtpmap:18 G729/8000..a=rtpm
ap:101 telephone-event/8000..a=fmtp:101 ..

U 201.22.33.178:5060 -> 69.88.77.66:5120
SIP/2.0 183 Session Progress..Via: SIP/2.0/UDP 192.168.1.10:5120;rport=5120
;received=69.88.77.66;branch=z9hG4bK2xcF52ZeIG9RyjPc..From: "08688995005
00" <sip:1001 at 201.22.33.178>;tag=CXTKU08d8synkO1U..To: "006908629
82668082" <sip:12127977000 at 201.22.33.178>;tag=BD997FE4-12B5..Date: W
ed, 05 Jul 2006 09:54:41 GMT..Call-ID: ziblKnSznNbjxCjv [!at] 
192.168.1.10..Serve (replace the [!at] with a @)
r: Cisco-SIPGateway/IOS-12.x..CSeq: 1 INVITE..Content-Type: application/sdp
..Content-Disposition: session;handling=required..Content-Length: 232....v=
0..o=CiscoSystemsSIP-GW-UserAgent 5365 5815 IN IP4 201.22.33.174..s=SIP Ca
ll..c=IN IP4 201.22.33.178..t=0 0..m=audio 35044 RTP/AVP 18 101..a=rtpmap:
18 G729/8000..a=rtpmap:101 telephone-event/8000..a=fmtp:101 ..a=nortpproxy:
yes..