<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:tahoma,new york,times,serif;font-size:10pt"><div>Hello list, I have another question and a very strange detail, I have a couple of connected remote clients to my kamailio 1.3.2 and mediaproxy 1.9.1, when the client 122 calls to the client 202 this very contacts or, if I call a minute I contact him very well, but if I call to the client 122 after some minutes I don't contact with that client and the jumps me to the voicemail .<br><br>I see in the chart location the address ip of the UAC <br><br>that it can be happening?<br><br>regards <br><br>rickygm<br><br><br> 122 UAC &lt;-&gt; NAT &lt;-&gt; internet==== kamailio 1.3.2 / mediaproxy ==== internet &lt;-&gt; ADSL &lt;-&gt; NAT &lt;-&gt;  UAC
 202<br>&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public ip: x.x.x.x.x<br><pre>interface: any<br>filter: (ip) and ( port 5060 )<br>#<br>U +0.890415 190.212.35.223:5064 -&gt; 190.184.22.152:5060<br>INVITE sip:122@190.184.22.152 SIP/2.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;branch=z9hG4bK1eff324647d9fef9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@192.168.10.30:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 390 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 70 <br>Allow:
 INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 238 <br> <br>v=0 <br>o=202 8000 8000 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 192.168.10.30 <br>t=0 0 <br>m=audio 5004 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +0.000286 190.184.22.152:5060 -&gt; 190.212.35.223:5064<br>SIP/2.0 407 Proxy Authentication Required <br>Via: SIP/2.0/UDP 192.168.10.30:5064;branch=z9hG4bK1eff324647d9fef9;received=190.212.35.223 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt;;tag=329cfeaa6ded039da25ff8cbb8668bd2.ea16 <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 390 INVITE <br>Proxy-Authenticate: Digest realm="190.184.22.152", nonce="490eb5583ea2f71836195c92a7e7df100eec3075" <br>Server: OpenSER
 (1.3.2-notls (i386/linux)) <br>Content-Length: 0 <br> <br><br>#<br>U +0.197976 190.212.35.223:5064 -&gt; 190.184.22.152:5060<br>ACK sip:122@190.184.22.152 SIP/2.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;branch=z9hG4bK1eff324647d9fef9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt;;tag=329cfeaa6ded039da25ff8cbb8668bd2.ea16 <br>Contact: &lt;sip:202@192.168.10.30:5064;transport=udp&gt; <br>Supported: path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 390 ACK <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 70 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Length: 0 <br> <br><br>#<br>U +0.073962 190.212.35.223:5064 -&gt; 190.184.22.152:5060<br>INVITE sip:122@190.184.22.152 SIP/2.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To:
 &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@192.168.10.30:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Proxy-Authorization: Digest username="202", realm="190.184.22.152", algorithm=MD5, uri="sip:122@190.184.22.152", nonce="490eb5583ea2f71836195c92a7e7df100eec3075", response="aa82c7aaba810bcc0b46d7e7ea442603" <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 70 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 238 <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 192.168.10.30 <br>t=0 0 <br>m=audio 5004 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +0.003823 190.184.22.152:5060 -&gt;
 190.212.35.223:5064<br>SIP/2.0 100 Giving a try <br>Via: SIP/2.0/UDP 192.168.10.30:5064;branch=z9hG4bK7288d140481a11e9;rport=5064;received=190.212.35.223 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>Server: OpenSER (1.3.2-notls (i386/linux)) <br>Content-Length: 0 <br> <br><br>#<br>U +0.000053 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path
 <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +0.485936 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP
 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11
 <br><br>#<br>U +0.999801 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy 
 <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +1.999612 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16
 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +3.999219 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From:
 &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +3.999220 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE
 sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN
 IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +4.001208 190.184.22.152:5060 -&gt; 190.184.35.4:5065<br>INVITE sip:122@192.168.0.60:5065 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow:
 INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +3.599535 190.184.22.152:5060 -&gt; 192.168.11.1:5070<br>INVITE sip:u122@192.168.11.1:5070 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.1 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7
 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: replaces, timer, path <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Type: application/sdp <br>Content-Length: 240 <br>P-hint: route(3)|setflag7,forcerport,fix_contact <br>P-hint: inbound-&gt;inbound  <br>P-hint: Route[6]: mediaproxy  <br> <br>v=0 <br>o=202 8000 8001 IN IP4 192.168.10.30 <br>s=SIP Call <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 18 0 101 <br>a=sendrecv <br>a=rtpmap:18 G729/8000 <br>a=rtpmap:0 PCMU/8000 <br>a=ptime:20 <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-11 <br><br>#<br>U +0.000362 190.184.22.152:5070 -&gt; 190.184.22.152:5060<br>SIP/2.0 100 Trying <br>Via: SIP/2.0/UDP
 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.1;received=190.184.22.152 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt; <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Asterisk PBX <br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY <br>Supported: replaces <br>Contact: &lt;sip:u122@190.184.22.152:5070&gt; <br>Content-Length: 0 <br> <br><br>#<br>U +0.000283 190.184.22.152:5070 -&gt; 190.184.22.152:5060<br>SIP/2.0 200 OK <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.1;received=190.184.22.152 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>Record-Route:
 &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt;;tag=as6ee3962f <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Asterisk PBX <br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY <br>Supported: replaces <br>Contact: &lt;sip:u122@190.184.22.152:5070&gt; <br>Content-Type: application/sdp <br>Content-Length: 289 <br> <br>v=0 <br>o=root 9069 9069 IN IP4 190.184.22.152 <br>s=session <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 15334 RTP/AVP 0 18 101 <br>a=rtpmap:0 PCMU/8000 <br>a=rtpmap:18 G729/8000 <br>a=fmtp:18 annexb=no <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-16 <br>a=silenceSupp:off - - - - <br>a=ptime:20 <br>a=sendrecv <br><br>#<br>U +0.002152 190.184.22.152:5060 -&gt; 190.212.35.223:5064<br>SIP/2.0 200 OK <br>Via: SIP/2.0/UDP
 192.168.10.30:5064;rport=5064;received=190.212.35.223;branch=z9hG4bK7288d140481a11e9 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt;;tag=as6ee3962f <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 INVITE <br>User-Agent: Asterisk PBX <br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY <br>Supported: replaces <br>Contact: &lt;sip:u122@190.184.22.152:5070&gt; <br>Content-Type: application/sdp <br>Content-Length: 289 <br>P-hint: onreply_route|usemediaproxy  <br> <br>v=0 <br>o=root 9069 9069 IN IP4 190.184.22.152 <br>s=session <br>c=IN IP4 190.184.22.152 <br>t=0 0 <br>m=audio 35020 RTP/AVP 0 18 101 <br>a=rtpmap:0 PCMU/8000 <br>a=rtpmap:18 G729/8000 <br>a=fmtp:18 annexb=no <br>a=rtpmap:101 telephone-event/8000 <br>a=fmtp:101 0-16 <br>a=silenceSupp:off - - - - <br>a=ptime:20 <br>a=sendrecv
 <br><br>#<br>U +0.236892 190.212.35.223:5064 -&gt; 190.184.22.152:5060<br>ACK sip:u122@190.184.22.152:5070 SIP/2.0 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;branch=z9hG4bK0fd7eaebf7c6f6c6 <br>Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt;;tag=as6ee3962f <br>Contact: &lt;sip:202@192.168.10.30:5064;transport=udp&gt; <br>Supported: path <br>Proxy-Authorization: Digest username="202", realm="190.184.22.152", algorithm=MD5, uri="sip:122@190.184.22.152", nonce="490eb5583ea2f71836195c92a7e7df100eec3075", response="aa82c7aaba810bcc0b46d7e7ea442603" <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 ACK <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 70 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Length: 0 <br> <br><br>#<br>U +0.000248 190.184.22.152:5060 -&gt;
 190.184.22.152:5070<br>ACK sip:u122@190.184.22.152:5070 SIP/2.0 <br>Record-Route: &lt;sip:190.184.22.152;lr=on;ftag=86ecf1029bb72cb7;nat=yes&gt; <br>Via: SIP/2.0/UDP 190.184.22.152;branch=z9hG4bK5397.fb4a49d3.3 <br>Via: SIP/2.0/UDP 192.168.10.30:5064;received=190.212.35.223;branch=z9hG4bK0fd7eaebf7c6f6c6 <br>From: &lt;sip:202@190.184.22.152&gt;;tag=86ecf1029bb72cb7 <br>To: &lt;sip:122@190.184.22.152&gt;;tag=as6ee3962f <br>Contact: &lt;sip:202@190.212.35.223:5064;transport=udp&gt; <br>Supported: path <br>Proxy-Authorization: Digest username="202", realm="190.184.22.152", algorithm=MD5, uri="sip:122@190.184.22.152", nonce="490eb5583ea2f71836195c92a7e7df100eec3075", response="aa82c7aaba810bcc0b46d7e7ea442603" <br>Call-ID: 8976ac66491970eb@192.168.10.30 <br>CSeq: 391 ACK <br>User-Agent: Grandstream GXP2020 1.1.6.16 <br>Max-Forwards: 69 <br>Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE <br>Content-Length: 0 <br>P-hint:
 LR|fixcontact,setflag6 <br> <br><br>exit<br>40 received, 0 dropped<br></pre><br></div></div><br>



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