[OpenSIPS-Users] OpenSIPS Unable to parse msg received from

Abdul Basit basit.engg at gmail.com
Thu Aug 9 08:15:30 EDT 2018 

Hi Team,

I am using opensips as hep proxy to distribute traffic to multiple homer
noes for trace capturing.

# opensips -V
version: opensips 2.3.2 (x86_64/linux)
flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, F_MALLOC,
FAST_LOCK-ADAPTIVE_WAIT
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
main.c compiled on  with gcc 6.3.0

Host operating system is

# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 9.3 (stretch)
Release:        9.3
Codename:       stretch

I am continuously getting error on opensips logs. I have changed CLI as
yyyyyyy and IPs as x.x.x.x

Aug  9 13:47:00 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:39169]
Aug  9 13:47:07 homer-proxy /usr/sbin/opensips[6847]: ERROR:core:parse_msg:
message=<ER,INFO,SUBSCRIBE,UPDATE#015#012Expires: 360#015#012User-Agent:
Audiocodes-Sip-Gateway-MP-114 FXS/v.5.20A.043.005#015#012Content-Length:
0#015#012#015#012>
Aug  9 13:47:07 homer-proxy /usr/sbin/opensips[6847]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:53693]
Aug  9 13:47:07 homer-proxy /usr/sbin/opensips[6845]: ERROR:core:parse_msg:
message=<ER,INFO,SUBSCRIBE,UPDATE#015#012Expires: 360#015#012User-Agent:
Audiocodes-Sip-Gateway-MP-114 FXS/v.5.20A.043.005#015#012Content-Length:
0#015#012#015#012>
Aug  9 13:47:07 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:33715]
Aug  9 13:47:50 homer-proxy /usr/sbin/opensips[6845]: ERROR:core:parse_msg:
message=<E,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-114
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012>
Aug  9 13:47:50 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:33715]
Aug  9 13:48:15 homer-proxy /usr/sbin/opensips[6848]:
ERROR:core:parse_method: invalid character =
Aug  9 13:48:15 homer-proxy /usr/sbin/opensips[6848]: ERROR:core:parse_msg:
message=<a=rtpmap:0 PCMU/8000#015#012a=rtpmap:18 G729/8000#015#012a=fmtp:18
annexb=no#015#012a=rtpmap:97 iLBC/8000#015#012a=fmtp:97
mode=30#015#012a=rtpmap:110 speex/8000#015#012a=rtpmap:117
speex/16000#015#012a=rtpmap:9 G722/8000#015#012a=rtpmap:4
G723/8000#015#012a=fmtp:4 annexa=no#015#012a=rtpmap:101
telephone-event/8000#015#012a=fmtp:101
0-16#015#012a=ptime:20#015#012a=sendrecv#015#012a=nortpproxy:yes#015#012>
Aug  9 13:48:15 homer-proxy /usr/sbin/opensips[6848]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:5060]
Aug  9 13:48:24 homer-proxy /usr/sbin/opensips[6846]: ERROR:core:parse_msg:
message=<RACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012>
Aug  9 13:48:39 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:37979]
Aug  9 13:48:40 homer-proxy /usr/sbin/opensips[6845]: ERROR:core:parse_msg:
message=<TIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012>
Aug  9 13:48:40 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:37979]
Aug  9 13:48:44 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:parse_method: invalid character :
Aug  9 13:48:44 homer-proxy /usr/sbin/opensips[6845]: ERROR:core:parse_msg:
message=<Allow:
REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012>
Aug  9 13:48:44 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:46187]
Aug  9 13:48:44 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:parse_method: invalid character :
Aug  9 13:48:44 homer-proxy /usr/sbin/opensips[6845]: ERROR:core:parse_msg:
message=<Allow:
REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012>
Aug  9 13:48:44 homer-proxy /usr/sbin/opensips[6845]:
ERROR:core:receive_msg: Unable to parse msg received from [x.x.x.x:46187]
Aug  9 13:49:37 homer-proxy /usr/sbin/opensips[6845]: ERROR:core:parse_msg:
message=<ntact:
<sip:yyyyyyyy at 192.168.1.17;transport=tcp>;expires=360#015#012Supported:
em,timer,replaces,path,resource-priority#015#012Allow:
REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012REGISTER
sip:x.x.x.x SIP/2.0#015#012Via: SIP/2.0/TCP
192.168.1.17;branch=z9hG4bKac1134765850;alias#015#012Max-Forwards:
70#015#012From: <sip:yyyyyyyy at x.x.x.x>;tag=1c1134760571#015#012To:
<sip:yyyyyyyy at x.x.x.x>#015#012Call-ID:
943343231120001012 at 192.168.1.17#015#012CSeq: 50295 REGISTER#015#012Contact:
<sip:yyyyyyyy at 192.168.1.17;transport=tcp>;expires=360#015#012Supported:
em,timer,replaces,path,resource-priority#015#012Allow:
REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118
FXS/v.5.20A.043.005#015#012Content-Length: 0#015#012#015#012REGISTER
sip:x.x.x.x SIP/2.0#015#012Via: SIP/2.0/TCP
192.168.1.17;branch=z9hG4bKac1134889896;alias#015#012Max-Forwards:
70#015#012From: <sip:yyyyyyyy at x.x.x.x>;tag=1c1134884593#015#012To:
<sip:zzzzzzzz at x.x.x.x>#015#012Call-ID:
943363361120001012 at 192.168.1.17#015#012CSeq: 50295 REGISTER#015#012Contact:
<sip:yyyyyyyy at 192.168.1.17;transport=tcp>;expires=360#015#012Supported:
em,timer,replaces,path,resource-priority#015#012Allow:
REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE#015#012Expires:
360#015#012User-Agent: Audiocodes-Sip-Gateway-MP-118 FXS/v.5.20A.043.0>

Opensip is simply distributing the received hep traffic to the homer server
in the pool and not doing any processing by itself.
Can you suggest whats the cause of these errors and how can I correct them?
Where should I look for correction?

Thank you in advance.

--
regards,

abdul basit | p: +92 32 1416 4196 | o: +92 30 0841 1445
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