<p dir="ltr">Another thing i would check is encryption is disabled on the snom</p>
<div class="gmail_quote">בתאריך 8 ביוני 2016 10:07, "Israel Gottlieb" <<a href="mailto:isrlgb@gmail.com">isrlgb@gmail.com</a>> כתב:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Are you using stun? I have seen that when using stun</p>
<div class="gmail_quote">בתאריך 8 ביוני 2016 09:54, "Faheem Muhammad" <<a href="mailto:faheem2084@gmail.com" target="_blank">faheem2084@gmail.com</a>> כתב:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><br>Are you sure <b>nslookup <hostname> </b>command is returning as expected?<br>Also check the output of the below command.<div>>> hostname && hostname -s && hostname -f<br><div><span style="color:rgb(46,139,87);font-family:Monaco,'Andale Mono','Courier New',Courier,mono;font-size:11.7px;line-height:15.21px"><br></span></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 7, 2016 at 11:54 PM, Brent Davidson <span dir="ltr"><<a href="mailto:brent@texascountrytitle.com" target="_blank">brent@texascountrytitle.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p>Well, I thought I had the problem solved. Ported everything over
to PJSip and build RDNS records for the phones and the server, but
I am still experiencing the problem on incoming calls.<br>
</p><div><div>
<div>
<b></b>
<div><br>
<br>
</div>
</div>
<div>On 6/7/2016 1:00 PM, Faheem Muhammad
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">I've faced the same issue. The issue was related to
DNS, the reverse lookup query failure caused the delay
around(7-9 seconds). The purpose of reverse lookup is to block
IP Spoofing attacks.
<div>
<div><br>
</div>
<div>Regards,</div>
<div>Faheem </div>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jun 7, 2016 at 7:48 PM, Brent
Davidson <span dir="ltr"><<a href="mailto:brent@texascountrytitle.com" target="_blank">brent@texascountrytitle.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p>I am having an issue with a couple of phones where they
ring, but there is a long delay after the phone is
picked up before the audio starts. <br>
</p>
<p>My setup: <br>
</p>
<ul>
<li>Server running Asterisk 13.9.1, Dahdi 2.11.1 w/
OSLEC</li>
<li>Server is CentOS 7<br>
</li>
<li>Quad core CPU with 16GB Ram</li>
<li>2 Snom 300 phones.</li>
<li>NO NAT. Server and phone are on the same subnet
with only a gigabit switch between them.</li>
<li>Digium TDM400 analog card with 2 incoming analog
PSTN lines<br>
</li>
</ul>
<p>When a call comes in, the system answers, IVR plays,
caller dials an extension, Snom 300 rings, handset
picked up. Caller continues to hear ringing for another
7 to 10 seconds. Answerer hears a click, a quick burst
of audio, then silence, then another click and audio is
engaged.</p>
<p>I have tried both SIP and RTP debugging and there are
absolutely no messages indicating any timeout or
retransmit. I am at a total loss. In the past I've
always been able to find an answer to issues like this
on my own, but this time I just don't know. I was even
beginning to suspect the network switch might be bad,
but pinging between the server and the phones shows no
packet loss and 0.969ms average response time.<br>
</p>
<p>What am I missing<b>?</b></p>
Thanks,<br>
Brent Davidson<b><br>
</b> </div>
<br>
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