Hi BogDan,<br>
<br>
Yes, I see Record-Route&nbsp; header in the 200 ok.......<br>
Please can u check the&nbsp; ngrepped&nbsp; of the X-lite <br>
with Hard phones iit is fine ...........<br>
Below one&nbsp; is ngrep from X-lite users, <br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; U <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> -&gt; <a href="http://61.17.248.68:2645">61.17.248.68:2645</a><br>
SIP/2.0 180 Ringing.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.19:5060">192.168.2.19:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;rport=2645;branch=z9hG4bK07D6ABA60AB44ED785D560E08E4FB906.<br>
From: 9004 &lt;<a href="mailto:sip:9004@59.93.61.80">sip:9004@59.93.61.80</a>&gt;;tag=2300839400.<br>
To: &lt;<a href="mailto:sip:9005@59.93.61.80">sip:9005@59.93.61.80</a>&gt;;tag=1115807967.<br>
Contact: &lt;sip:9005@61.17.248.68:5060&gt;.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=2300839400;lr=on&gt;.<br>
Call-ID: <a href="mailto:79F5551B-74DF-46D6-99B0-81D1B0B62DE2@192.168.2.19">79F5551B-74DF-46D6-99B0-81D1B0B62DE2@192.168.2.19</a>.<br>
CSeq: 28497 INVITE.<br>
Server: X-Lite release 1103m.<br>
Content-Length: 0.<br>
#<br>
U <a href="http://61.17.248.68:5060">61.17.248.68:5060</a> -&gt; <a href="http://192.168.2.3:5060">192.168.2.3:5060</a><br>
#<br>
U <a href="http://61.17.248.68:2645">61.17.248.68:2645</a> -&gt; <a href="http://192.168.2.3:5060">192.168.2.3:5060</a><br>
#<br>
U <a href="http://61.17.248.68:5060">61.17.248.68:5060</a> -&gt; <a href="http://192.168.2.3:5060">192.168.2.3:5060</a><br>
SIP/2.0 200 Ok.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.3">192.168.2.3</a>;branch=z9hG4bK82f3.04882de2.0;received=<a href="http://59.93.61.80">59.93.61.80</a>.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.19:5060">192.168.2.19:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;rport=2645;branch=z9hG4bK07D6ABA60AB44ED785D560E08E4FB906.<br>
From: 9004 &lt;<a href="mailto:sip:9004@59.93.61.80">sip:9004@59.93.61.80</a>&gt;;tag=2300839400.<br>
To: &lt;<a href="mailto:sip:9005@59.93.61.80">sip:9005@59.93.61.80</a>&gt;;tag=1115807967.<br>
Contact: &lt;sip:9005@192.168.2.3:5060&gt;.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=2300839400;lr=on&gt;.<br>
Call-ID: <a href="mailto:79F5551B-74DF-46D6-99B0-81D1B0B62DE2@192.168.2.19">79F5551B-74DF-46D6-99B0-81D1B0B62DE2@192.168.2.19</a>.<br>
CSeq: 28497 INVITE.<br>
Content-Type: application/sdp.<br>
Server: X-Lite release 1103m.<br>
Content-Length: 290.<br>
v=0.<br>
o=9005 8334687 8344000 IN IP4 <a href="http://192.168.2.3">192.168.2.3</a>.<br>
s=X-Lite.<br>
c=IN IP4 <a href="http://192.168.2.3">192.168.2.3</a>.<br>
t=0 0.<br>
m=audio 16358 RTP/AVP 0 8 3 98 97 101.<br>
a=rtpmap:0 pcmu/8000.<br>
a=rtpmap:8 pcma/8000.<br>
a=rtpmap:3 gsm/8000.<br>
a=rtpmap:98 iLBC/8000.<br>
a=rtpmap:97 speex/8000.<br>
a=rtpmap:101 telephone-event/8000.<br>
a=fmtp:101 0-15.<br>
#<br>
U <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> -&gt; <a href="http://61.17.248.68:2645">61.17.248.68:2645</a><br>
SIP/2.0 200 Ok.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.19:5060">192.168.2.19:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;rport=2645;branch=z9hG4bK07D6ABA60AB44ED785D560E08E4FB906.<br>
From: 9004 &lt;<a href="mailto:sip:9004@59.93.61.80">sip:9004@59.93.61.80</a>&gt;;tag=2300839400.<br>
To: &lt;<a href="mailto:sip:9005@59.93.61.80">sip:9005@59.93.61.80</a>&gt;;tag=1115807967.<br>
Contact: &lt;sip:9005@61.17.248.68:5060&gt;.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=2300839400;lr=on&gt;.<br>
Call-ID: <a href="mailto:79F5551B-74DF-46D6-99B0-81D1B0B62DE2@192.168.2.19">79F5551B-74DF-46D6-99B0-81D1B0B62DE2@192.168.2.19</a>.<br>
CSeq: 28497 INVITE.<br>
Content-Type: application/sdp.<br>
Server: X-Lite release 1103m.<br>
Content-Length: 290.<br>
.<br>
v=0.<br>
o=9005 8334687 8344000 IN IP4 <a href="http://192.168.2.3">192.168.2.3</a>.<br>
s=X-Lite.<br>
c=IN IP4 <a href="http://192.168.2.3">192.168.2.3</a>.<br>
t=0 0.<br>
m=audio 16358 RTP/AVP 0 8 3 98 97 101.<br>
a=rtpmap:0 pcmu/8000.<br>
a=rtpmap:8 pcma/8000.<br>
a=rtpmap:3 gsm/8000.<br>
a=rtpmap:98 iLBC/8000.<br>
a=rtpmap:97 speex/8000.<br>
a=rtpmap:101 telephone-event/8000.<br>
a=fmtp:101 0-15.<br>
--------------No ACK&nbsp; reuest to sip server -----------<br>
<br>
And the Below&nbsp; one is ngrep from Cisco ATA 188 phone <br>
<br>
#<br>
U <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> -&gt; <a href="http://61.17.248.68:5060">61.17.248.68:5060</a><br>
SIP/2.0 180 Ringing.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.4:5060">192.168.2.4:5060</a>;rport=5060;received=<a href="http://61.17.248.68">61.17.248.68</a>;branch=z9hG4bKf83dc9b8da84bb0d.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=944392830;lr=on&gt;.<br>
From: 9001 &lt;<a href="mailto:sip:9001@59.93.61.80">sip:9001@59.93.61.80</a>;user=phone&gt;;tag=944392830.<br>
To: &lt;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>;user=phone&gt;;tag=606700996.<br>
Call-ID: <a href="mailto:1749181330@192.168.2.4">1749181330@192.168.2.4</a>.<br>
CSeq: 2 INVITE.<br>
Require: 100rel.<br>
RSeq: 1.<br>
Contact: 9002 &lt;sip:9002@61.17.248.68:5060;user=phone;transport=udp&gt;.<br>
Server: Cisco ATA 188&nbsp; v3.2.1 atasip (050616A).<br>
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE.<br>
Content-Length: 0.<br>
#<br>
#<br>
U <a href="http://61.17.248.68:5060">61.17.248.68:5060</a> -&gt; <a href="http://192.168.2.3:5060">192.168.2.3:5060</a><br>
SIP/2.0 200 OK.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.3">192.168.2.3</a>;branch=z9hG4bKa7ef.3290d1b6.0.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.4:5060">192.168.2.4:5060</a>;rport=5060;received=<a href="http://61.17.248.68">61.17.248.68</a>;branch=z9hG4bKf83dc9b8da84bb0d.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=944392830;lr=on&gt;.<br>
From: 9001 &lt;<a href="mailto:sip:9001@59.93.61.80">sip:9001@59.93.61.80</a>;user=phone&gt;;tag=944392830.<br>
To: &lt;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>;user=phone&gt;;tag=606700996.<br>
Call-ID: <a href="mailto:1749181330@192.168.2.4">1749181330@192.168.2.4</a>.<br>
CSeq: 2 INVITE.<br>
Contact: 9002 &lt;sip:9002@192.168.2.4:5060;user=phone;transport=udp&gt;.<br>
Server: Cisco ATA 188&nbsp; v3.2.1 atasip (050616A).<br>
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE.<br>
Supported: replaces.<br>
Content-Length: 193.<br>
Content-Type: application/sdp.<br>
.<br>
v=0.<br>
o=9002 13872 13872 IN IP4 <a href="http://192.168.2.4">192.168.2.4</a>.<br>
s=ATA186 Call.<br>
c=IN IP4 <a href="http://192.168.2.4">192.168.2.4</a>.<br>
t=0 0.<br>
m=audio 16384 RTP/AVP 0 101.<br>
a=rtpmap:0 PCMU/8000/1.<br>
a=rtpmap:101 telephone-event/8000.<br>
a=fmtp:101 0-15.<br>
<br>
#<br>
U <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> -&gt; <a href="http://61.17.248.68:5060">61.17.248.68:5060</a><br>
SIP/2.0 200 OK.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.4:5060">192.168.2.4:5060</a>;rport=5060;received=<a href="http://61.17.248.68">61.17.248.68</a>;branch=z9hG4bKf83dc9b8da84bb0d.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=944392830;lr=on&gt;.<br>
From: 9001 &lt;<a href="mailto:sip:9001@59.93.61.80">sip:9001@59.93.61.80</a>;user=phone&gt;;tag=944392830.<br>
To: &lt;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>;user=phone&gt;;tag=606700996.<br>
Call-ID: <a href="mailto:1749181330@192.168.2.4">1749181330@192.168.2.4</a>.<br>
CSeq: 2 INVITE.<br>
Contact: 9002 &lt;sip:9002@61.17.248.68:5060;user=phone;transport=udp&gt;.<br>
Server: Cisco ATA 188&nbsp; v3.2.1 atasip (050616A).<br>
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE.<br>
Supported: replaces.<br>
Content-Length: 193.<br>
Content-Type: application/sdp.<br>
.<br>
v=0.<br>
o=9002 13872 13872 IN IP4 <a href="http://192.168.2.4">192.168.2.4</a>.<br>
s=ATA186 Call.<br>
c=IN IP4 <a href="http://192.168.2.4">192.168.2.4</a>.<br>
t=0 0.<br>
m=audio 16384 RTP/AVP 0 101.<br>
a=rtpmap:0 PCMU/8000/1.<br>
a=rtpmap:101 telephone-event/8000.<br>
a=fmtp:101 0-15.<br>
U <a href="http://61.17.248.68:5060">61.17.248.68:5060</a> -&gt; <a href="http://192.168.2.3:5060">192.168.2.3:5060</a><br>
ACK <a href="mailto:sip:9002@61.17.248.68">sip:9002@61.17.248.68</a> SIP/2.0.<br>
Route: &lt;sip:<a href="http://192.168.2.3:5060">192.168.2.3:5060</a>;nat=yes;ftag=944392830;lr=on&gt;.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.4:5060">192.168.2.4:5060</a>;branch=z9hG4bKdcc7a733706e39e7.<br>
From: 9001 &lt;<a href="mailto:sip:9001@59.93.61.80">sip:9001@59.93.61.80</a>;user=phone&gt;;tag=944392830.<br>
To: &lt;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>;user=phone&gt;;tag=606700996.<br>
Call-ID: <a href="mailto:1749181330@192.168.2.4">1749181330@192.168.2.4</a>.<br>
CSeq: 2 ACK.<br>
User-Agent: Cisco ATA 188&nbsp; v3.2.1 atasip (050616A).<br>
Proxy-Authorization: Digest
username=&quot;9001&quot;,realm=&quot;<a href="http://59.93.61.80">59.93.61.80</a>&quot;,nonce=&quot;45c31da4f01c51af5f0ae0ea1e59af3cc6bb49eb&quot;,uri=&quot;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>
&quot;,response=&quot;89fb53d2e67d31adfee6dee63ea75108&quot;,qop=auth,nc=00000003,cnonce=&quot;28491128&quot;.<br>
Content-Length: 0.<br>
.<br>
<br>
#<br>
U <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> -&gt; <a href="http://61.17.248.68:5060">61.17.248.68:5060</a><br>
ACK <a href="mailto:sip:9002@61.17.248.68">sip:9002@61.17.248.68</a> SIP/2.0.<br>
Max-Forwards: 10.<br>
Record-Route: &lt;sip:<a href="http://192.168.2.3">192.168.2.3</a>;lr=on;ftag=944392830&gt;.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.3">192.168.2.3</a>;branch=z9hG4bKa7ef.3290d1b6.2.<br>
Via: SIP/2.0/UDP <a href="http://192.168.2.4:5060">192.168.2.4:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;branch=z9hG4bKdcc7a733706e39e7.<br>
From: 9001 &lt;<a href="mailto:sip:9001@59.93.61.80">sip:9001@59.93.61.80</a>;user=phone&gt;;tag=944392830.<br>
To: &lt;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>;user=phone&gt;;tag=606700996.<br>
Call-ID: <a href="mailto:1749181330@192.168.2.4">1749181330@192.168.2.4</a>.<br>
CSeq: 2 ACK.<br>
User-Agent: Cisco ATA 188&nbsp; v3.2.1 atasip (050616A).<br>
Proxy-Authorization: Digest
username=&quot;9001&quot;,realm=&quot;<a href="http://59.93.61.80">59.93.61.80</a>&quot;,nonce=&quot;45c31da4f01c51af5f0ae0ea1e59af3cc6bb49eb&quot;,uri=&quot;<a href="mailto:sip:9002@59.93.61.80">sip:9002@59.93.61.80</a>
&quot;,response=&quot;89fb53d2e67d31adfee6dee63ea75108&quot;,qop=auth,nc=00000003,cnonce=&quot;28491128&quot;.<br>
Content-Length: 0.<br>
<br>
<br><br><div><span class="gmail_quote">On 2/5/07, <b class="gmail_sendername">Bogdan-Andrei Iancu</b> &lt;<a href="mailto:bogdan@voice-system.ro">bogdan@voice-system.ro</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Ravi,<br><br>so you see any Record-Route hdrs in the 200 OK reply?<br><br>regards,<br>bogdan<br><br>raviprakash sunkara wrote:<br><br>&gt; Hi BogDan,<br>&gt; Good AfterNoon, and Thanks For replying to me,<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I&nbsp;&nbsp;used the Following code for&nbsp;&nbsp;Record_route();<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; route {<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;....<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.....<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if(method==&quot;INVITE&quot; &amp;&amp; nat_uac_test(&quot;3&quot;) )<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
record_route_preset(&quot;sip:<br>&gt; <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> &lt;<a href="http://192.168.2.3:5060">http://192.168.2.3:5060</a>&gt;;nat=yes&quot;);<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}else
if ( method&nbsp;&nbsp;! = &quot; REGISTER &quot;)<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;record_route();<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}<br>&gt; where <a href="http://192.168.2.3:5060">192.168.2.3:5060</a> &lt;<a href="http://192.168.2.3:5060">http://192.168.2.3:5060</a>&gt; is the&nbsp;&nbsp;private IP of<br>&gt; the SIP server&nbsp;&nbsp; behind the NAT.<br>&gt;<br>&gt;<br>
&gt; On 2/5/07, * Bogdan-Andrei Iancu* &lt;<a href="mailto:bogdan@voice-system.ro">bogdan@voice-system.ro</a><br>&gt; &lt;mailto:<a href="mailto:bogdan@voice-system.ro">bogdan@voice-system.ro</a>&gt;&gt; wrote:<br>&gt;<br>
&gt;&nbsp;&nbsp;&nbsp;&nbsp; Hi Ravi,<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; do you do record_route() for the INVITE? if not, the sequential<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; requests<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; of the dialog will bypass your server.<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; regards,<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; bogdan
<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; raviprakash sunkara wrote:<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; Hello Users,<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp;
&gt; When&nbsp;&nbsp;I tested the OpenSER
server&nbsp;&nbsp;with&nbsp;&nbsp;CISCO ATA 186/188 IP phones<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; SIP EyeP media (Softphnoes )&nbsp;&nbsp;is working fine with RTP ,&nbsp;&nbsp;when Both<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; Users and SIP&nbsp;&nbsp;Server&nbsp;&nbsp;is in Behind the NAT,<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; But Problem with Softphones ( X-lite ) .
<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; When I ngrep the Calls of X-lite users i didn&#39;t see any Ack<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; Packet to<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; OpenSER&nbsp;&nbsp;After the&nbsp;&nbsp; Invite Packets received .<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; Please Help me&nbsp;&nbsp;in this Part
<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; --<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; Thanks and Regards<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; Ravi Prakash Sunkara<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; <a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com
</a><br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a><br>
&gt;&nbsp;&nbsp;&nbsp;&nbsp; &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a>&gt;&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; M:+91 9985077535<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; O:+91 40 23114549<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; F:+91 40 40208727<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; 
<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a><br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a>&gt; &lt;mailto:<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; <a href="mailto:ravi.sunkara@hyperion-tech.com">
ravi.sunkara@hyperion-tech.com</a><br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a>&gt;&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; <a href="http://www.hyperion-tech.com">www.hyperion-tech.com
</a> &lt;<a href="http://www.hyperion-tech.com">http://www.hyperion-tech.com</a>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &lt;<a href="http://www.hyperion-tech.com">http://www.hyperion-tech.com</a>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;------------------------------------------------------------------------
<br>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;_______________________________________________<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;Users mailing list<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<a href="mailto:Users@openser.org">Users@openser.org</a> &lt;mailto:<a href="mailto:Users@openser.org">
Users@openser.org</a>&gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt; <a href="http://openser.org/cgi-bin/mailman/listinfo/users">http://openser.org/cgi-bin/mailman/listinfo/users</a><br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br>&gt;<br>&gt;<br>&gt;<br>&gt;
<br>&gt; --<br>&gt; Thanks and Regards<br>&gt; Ravi Prakash Sunkara<br>&gt; <a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a> &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com
</a>&gt;<br>&gt; M:+91 9985077535<br>&gt; O:+91 40 23114549<br>&gt; F:+91 40 40208727<br>&gt; <a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a> &lt;mailto:<a href="mailto:ravi.sunkara@hyperion-tech.com">
ravi.sunkara@hyperion-tech.com</a>&gt;<br>&gt; <a href="http://www.hyperion-tech.com">www.hyperion-tech.com</a> &lt;<a href="http://www.hyperion-tech.com">http://www.hyperion-tech.com</a>&gt;<br><br><br></blockquote></div>
<br><br clear="all"><br>-- <br>Thanks and Regards<br>Ravi Prakash Sunkara                <br><a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a>         <br>M:+91 9985077535<br>O:+91 40 23114549<br>F:+91 40 40208727                 
<br><a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a><br><a href="http://www.hyperion-tech.com">www.hyperion-tech.com</a>