Ok Alex thanks for the info!<br><br><div class="gmail_quote">On Mon, Aug 6, 2012 at 3:05 PM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com" target="_blank">abalashov@evaristesys.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>For your relatively narrow, specific applications in your topology, no. You'd be better off installing SEMS per se. </div>
<div><div class="h5"><div><br></div><div><br></div><div><br></div><div><br></div><div><div style="font-size:75%;color:#575757">-- Alex<br><br>--<br>Sent from my Samsung mobile, and thus lacking in the refinement one might expect from a proper keyboard. <br>
<br>Alex Balashov - Principal<br>Evariste Systems LLC<br>235 E Ponce de Leon Ave<br>Suite 106<br>Decatur, GA 30030<br>Tel: <a href="tel:%2B1-678-954-0670" value="+16789540670" target="_blank">+1-678-954-0670</a><br>Web: <a href="http://www.evaristesys.com/" target="_blank">http://www.evaristesys.com/</a></div>
</div> <br>phillman25 <<a href="mailto:phillman25@gmail.com" target="_blank">phillman25@gmail.com</a>> wrote:<br>Hello Alex<div><br></div><div>Will try with SEMS first, found something called <span style="line-height:1em;font-family:Arial">sip:provider CE v2.4 from </span><a href="http://www.sipwise.com/news/announcements/spce-v2_4-release/" target="_blank">http://www.sipwise.com/news/announcements/spce-v2_4-release/</a> if i'm not mistaken, this seems to combine Kamailio with SEMS? Do you think that this might be an easier installation rather than installing SEMS on its own as it seems to provide more documentation?</div>
<div><br></div><div>Thanks again!</div><div><br></div><div><br></div><div><br><div class="gmail_quote">On Mon, Aug 6, 2012 at 1:33 PM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com" target="_blank">abalashov@evaristesys.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>The short answer to your latter question is: yes. Cisco media and PSTN gateways have never hairpinned SIP-to-SIP calls well, even when officially supported. </div>
<div><br></div><div>Asterisk has a lower learning curve due to the abundance of information and tutorials, but SEMS would make more sense, since all you need is a signaling B2BUA.</div><div><br></div><div><br></div><div>
<br>
</div><div><br></div><div><div style="font-size:75%;color:#575757">-- Alex<br><br>--<br>Sent from my Samsung mobile, and thus lacking in the refinement one might expect from a proper keyboard. <br><br>Alex Balashov - Principal<br>
Evariste Systems LLC<br>235 E Ponce de Leon Ave<br>Suite 106<br>Decatur, GA 30030<br>Tel: <a href="tel:%2B1-678-954-0670" value="+16789540670" target="_blank">+1-678-954-0670</a><br>Web: <a href="http://www.evaristesys.com/" target="_blank">http://www.evaristesys.com/</a></div>
</div><div><div> <br>phillman25 <<a href="mailto:phillman25@gmail.com" target="_blank">phillman25@gmail.com</a>> wrote:<br><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Hi Alex</span></div>
<div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</span></div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Thanks for your prompt reply.</span></div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</span></div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">The PGW 2200 solution is used as our core PSTN gateway where its currently handling many SS7, H.323 and SIP interconnections. However, there are a few scenarios like the example described below, that the call is originating from Kamailio being sent to the PGW and then back to Kamailio for termination and this scenario doesn't seem to work.</span></div>
<div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br></span></div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Do you think that by implementing SEMS or Asterisk in between the PGW and Kamailio could resolve this issue for these specific scenarios?</span></div>
<div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">From your experience what do you think would be a better solution?</span></div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><div>
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br></span></div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Thanks again!</span></div>
<div>Phillip</div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br></span></div><div><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">========================</span></div>
Message: 2</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Date: Mon, 06 Aug 2012 04:26:28 -0400</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">From: Alex Balashov <</span><a href="mailto:abalashov@evaristesys.com" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">abalashov@evaristesys.com</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Subject: Re: [SR-Users] B2BUA issues</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">To: </span><a href="mailto:sr-users@lists.sip-router.org" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">sr-users@lists.sip-router.org</a><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Message-ID: <</span><a href="mailto:501F7FB4.8040700@evaristesys.com" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">501F7FB4.8040700@evaristesys.com</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Content-Type: text/plain; charset=ISO-8859-1; format=flowed</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">What is the larger objective? Are you using the PGW purely as a B2BUA?</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"> If so, that's a colossally overblown waste of resources; just use</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">something like SEMS or Asterisk.</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">On 08/06/2012 04:24 AM, phillman25 wrote:</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Dear List</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> I am trying to accomplish the following:</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Asterisk PABX (192.168.10.189) ==> Kamailio(xxx.xxx.xxx.xxx) ==> Cisco</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> PGW 2200 (PSTN gateway) (yyy.yyy.yyy.yyy) ==></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Kamailio(xxx.xxx.xxx.xxx) ==> Asterisk PABX (192.168.10.189)</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> When trying the above scenario, the call is silent and drops after a few</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> seconds. In syslog i observe the following error:</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> *ERROR: <core> [parser/parse_rr.c:84]: parse_rr(): Error while parsing</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> name-addr (</span><a href="http://sip:22030305@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">sip:22030305@192.168.10.189:5060</a><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> <</span><a href="http://sip:22030305@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">http://sip:22030305@192.168.10.189:5060</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">>>)*</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Looking at the sip trace i see that his might be caused by the ACK</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> message received from the ASTERISK PABX? :</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> ACK </span><a href="http://sip:22030305@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">sip:22030305@192.168.10.189:5060</a><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> <</span><a href="http://sip:22030305@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">http://sip:22030305@192.168.10.189:5060</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> SIP/2.0</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Via: SIP/2.0/UDP 192.168.10.189:5060;branch=</span><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">z9hG4bK3c80f516;rport</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Route:</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> <sip:xxx.xxx.xxx.xxx;lr=on;</span><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">ftag=as166b1eea;did=97b.</span><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">66623da5>,<sip:22030305@</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> yyy.yyy.yyy.yyy;pgw-call=call-</span><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">55bc4>,<sip:xxx.xxx.xxx.xxx;</span><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">lr=on;ftag=as166b1eea></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Max-Forwards: 70</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> From: "22498045" <</span><a href="mailto:sip%3A22498045@192.168.10.189" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">sip:22498045@192.168.10.189</a><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> <mailto:</span><a href="mailto:sip%253A22498045@192.168.10.189" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">sip%3A22498045@192.168.10.189</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">>>;tag=as166b1eea</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> To: <sip:22030305@xxx.xxx.xxx.xxx></span><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">;tag=as6d578713</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Contact: <</span><a href="http://sip:22498045@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">sip:22498045@192.168.10.189:5060</a><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> <</span><a href="http://sip:22498045@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">http://sip:22498045@192.168.10.189:5060</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">>></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Call-ID: </span><a href="http://5e2d61160bd1bec9214e2d7d04e5a778@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">5e2d61160bd1bec9214e2d7d04e5a778@192.168.10.189:5060</a><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> <</span><a href="http://5e2d61160bd1bec9214e2d7d04e5a778@192.168.10.189:5060/" style="color:rgb(17,85,204);font-size:13px;font-family:arial,sans-serif" target="_blank">http://5e2d61160bd1bec9214e2d7d04e5a778@192.168.10.189:5060</a><span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> CSeq: 102 ACK</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> User-Agent: FPBX-2.8.1(1.8.12.0)</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Content-Length: 0</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> After contacting Cisco they informed us that issue is cause by B2BUA</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> from our current version of Cisco PGW 2200 that doesn't support this</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> feature. Is there a module, solution that i can implement on Kamailio</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> that could temporarily resolve this issue?</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Thanking you in advance.</span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">></span><br style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<span style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">> Phillip</span>
</div></div></div></blockquote></div><br></div>
</div></div></div></blockquote></div><br>