<h3>Description</h3>
<p>I tried using the Kamailio as a sip capture node, with TCP and captagent sending data to it using HEP3 protocol</p>
<h4>Reproduction</h4>
<p>send sip traffic to the Kamailio node over tcp - hep3</p>
<h4>SIP Traffic</h4>

<pre><code>T 10.62.232.8:59218 -> 172.17.0.2:9060 [AP]
HEP3.....................................
Y......
.
................
.........

>.......
"./.......myhep.....SOPTIONS sip:34.222.33.444:5060 SIP/2.0.
Via: SIP/2.0/UDP 34.222.33.444:5060;branch=z9hG4bKadc3.94894fb2.0.
To: sip:34.222.33.444:5060.
From: <sip:dispatcher@localhost>;tag=8176c6985887ae1fa077926d61f38185-6330.
CSeq: 14 OPTIONS.
Call-ID: 524281af251ad3ae-5781@10.62.232.8.
Max-Forwards: 70.
Content-Length: 0.
User-Agent: user.
.
 

ERROR MSG:

############### 8(16359) ERROR: <core> [core/tcp_read.c:1391]: tcp_read_req(): bad request, state=7, error=4 buf:
HEP3�
parsed:
HEP3�
</code></pre>
<h3>Additional Information</h3>
<ul>
<li><strong>Kamailio Version</strong> - output of <code>kamailio -v</code></li>
</ul>
<pre><code>version: kamailio 5.1.0-dev8 (x86_64/linux)
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled on 15:58:15 Nov  1 2017 with gcc 4.9.2
</code></pre>
<ul>
<li><strong>Operating System</strong>:</li>
</ul>

<pre><code>Linux 15e97661fc7f 4.9.43-17.39.amzn1.x86_64 #1 SMP Fri Sep 15 23:39:41 UTC 2017 x86_64 GNU/Linux
</code></pre>
<p>I saw it on the master branch updated to 1/11/2017<br>
I also saw it was addressed before, but it still doesn't seem to work for me, am I missing something?</p>
<p><a href="https://github.com/kamailio/kamailio/issues/599" class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="153133296" data-permission-text="Issue title is private" data-url="https://github.com/kamailio/kamailio/issues/599">#599</a></p>

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