Hi,<br><br clear="all">I&nbsp;have&nbsp;AudioCodes&nbsp;MP-124&nbsp;device.&nbsp;It&nbsp;works&nbsp;fine,&nbsp;but&nbsp;I&nbsp;want&nbsp;to&nbsp;fix&nbsp;one&nbsp;problem,&nbsp;but&nbsp;I&nbsp;don't&nbsp;know&nbsp;how!&nbsp;In&nbsp;AudioCodes&nbsp;I've&nbsp;created&nbsp;two&nbsp;lines&nbsp;for&nbsp;tests:52040668 and 52040669.&nbsp;Here is my sip.conf fragment sniffed&nbsp;traffic:
<br><br>sip.conf<br>[52040668]<br>type=friend<br>accountcode=1<br>videosupport=yes<br>context=bandymas<br>secret=12345<br>host=dynamic                    ; This device needs to register<br>nat=no          ; X-Lite is behind a NAT router
<br>canreinvite=no                  ; Typically set to NO if behind NAT<br><br>[52040669]<br>type=friend<br>accountcode=1<br>videosupport=yes<br>context=bandymas<br>secret=12345<br>host=dynamic<br>nat=no<br>canreinvite=no
<br>allow=all                       <br><br><br><br><i>#<br>U <a href="http://192.168.144.161:5060">192.168.144.161:5060</a> -&gt; <a href="http://192.168.144.157:5060">192.168.144.157:5060</a><br></i><i>REGISTER sip:<a href="http://192.168.144.157">
192.168.144.157</a> SIP/2.0.<br></i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513259412.<br></i><i>Max-Forwards: 70.<br></i><i>From: &lt;sip:52040668@audiocodes&gt;;tag=1c1513251713.
<br></i><i>To: &lt;sip:52040668@audiocodes&gt;.<br>Call-ID: <a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>.<br>CSeq: 933 REGISTER.<br></i><i>Contact: &lt;<a href="mailto:sip:52040668@192.168.144.161">
sip:52040668@192.168.144.161</a>&gt;;expires=180.<br>Supported: em,timer,replaces,path.<br></i><i>Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.<br></i><i>Expires: 180.<br></i><i>User-Agent: Audiocodes-Sip-Gateway-MP-124 FXS/v.4.60A.016.003.
<br></i><i>Content-Length: 0.<br><br>.<br></i><i>#<br>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br></i><i>SIP/2.0 100 Trying.<br>
</i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513259412;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br></i><i>From: &lt;sip:52040668@audiocodes&gt;;tag=1c1513251713.
<br></i><i>To: &lt;sip:52040668@audiocodes&gt;.<br></i><i>Call-ID: <a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>.<br></i><i>CSeq: 933 REGISTER.<br></i><i>User-Agent: Asterisk PBX.
<br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.<br></i><i>Contact: &lt;<a href="mailto:sip:52040668@192.168.144.157">sip:52040668@192.168.144.157</a>&gt;.<br></i><i>Content-Length: 0.<br><br>.<br></i>
<i><br></i><i>#<br></i><i>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br></i><i>SIP/2.0 401 Unauthorized.<br></i><i>Via: SIP/2.0/UDP 
<a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513259412;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br>From: &lt;sip:52040668@audiocodes&gt;;tag=1c1513251713.<br></i><i>To: &lt;sip:52040668@audiocodes
&gt;;tag=as06ce03af.<br></i><i>Call-ID: <a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>.<br></i><i>CSeq: 933 REGISTER.<br></i><i>User-Agent: Asterisk PBX.<br></i><i>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
<br>Contact: &lt;<a href="mailto:sip:52040668@192.168.144.157">sip:52040668@192.168.144.157</a>&gt;.<br></i><i>WWW-Authenticate: Digest realm=&quot;asterisk&quot;, nonce=&quot;6b60d637&quot;.<br></i><i>Content-Length: 0.<br>
</i><i><br>.<br></i><i>#<br>U <a href="http://192.168.144.161:5060">192.168.144.161:5060</a> -&gt; <a href="http://192.168.144.157:5060">192.168.144.157:5060</a><br></i><i>REGISTER sip:<a href="http://192.168.144.157">192.168.144.157
</a> SIP/2.0.<br>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513308367.<br>Max-Forwards: 70.<br>From: &lt;sip:52040669@audiocodes&gt;;tag=1c1513298370.<br></i><i>To: &lt;sip:52040669@audiocodes
&gt;.<br></i><i>Call-ID: <a href="mailto:70673375911200042619@192.168.144.161">70673375911200042619@192.168.144.161</a>.<br>CSeq: 933 REGISTER.<br></i><i>Contact: &lt;<a href="mailto:sip:52040669@192.168.144.161">sip:52040669@192.168.144.161
</a>&gt;;expires=180.<br>Supported: em,timer,replaces,path.<br></i><i>Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.<br></i><i>Expires: 180.<br></i><i>User-Agent: Audiocodes-Sip-Gateway-MP-124 FXS/v.4.60A.016.003.
<br>Content-Length: 0.<br></i><i><br>.<br></i><i>#<br>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br>SIP/2.0 100 Trying.<br></i><i>
Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513308367;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br></i><i>From: &lt;sip:52040669@audiocodes&gt;;tag=1c1513298370.
<br></i><i>To: &lt;sip:52040669@audiocodes&gt;.<br></i><i>Call-ID: <a href="mailto:70673375911200042619@192.168.144.161">70673375911200042619@192.168.144.161</a>.<br></i><i>CSeq: 933 REGISTER.<br></i><i>User-Agent: Asterisk PBX.
<br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.<br>Contact: &lt;<a href="mailto:sip:52040669@192.168.144.157">sip:52040669@192.168.144.157</a>&gt;.<br></i><i>Content-Length: 0.<br>.<br><br></i><i><br>
<br>#<br></i><i>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br></i><i>SIP/2.0 401 Unauthorized.<br></i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">
192.168.144.161</a>;branch=z9hG4bKac1513308367;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br>From: &lt;sip:52040669@audiocodes&gt;;tag=1c1513298370.<br></i><i>To: &lt;sip:52040669@audiocodes&gt;;tag=as5624ce96.
<br>Call-ID: <a href="mailto:70673375911200042619@192.168.144.161">70673375911200042619@192.168.144.161</a>.<br>CSeq: 933 REGISTER.<br></i><i>User-Agent: Asterisk PBX.<br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
<br></i><i>Contact: &lt;<a href="mailto:sip:52040669@192.168.144.157">sip:52040669@192.168.144.157</a>&gt;.<br></i><i>WWW-Authenticate: Digest realm=&quot;asterisk&quot;, nonce=&quot;43fa4b04&quot;.<br>Content-Length: 0.<br>
</i><i>.<br><br></i><i>#<br>U <a href="http://192.168.144.161:5060">192.168.144.161:5060</a> -&gt; <a href="http://192.168.144.157:5060">192.168.144.157:5060</a><br>REGISTER sip:<a href="http://192.168.144.157">192.168.144.157
</a> SIP/2.0.<br>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513347194.<br></i><i>Max-Forwards: 70.<br></i><i>From: &lt;sip:52040668@audiocodes&gt;;tag=1c1513251713.<br></i><i>To: &lt;
sip:52040668@audiocodes&gt;.<br></i><i>Call-ID: <a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>.<br>CSeq: 934 REGISTER.<br></i><i>Authorization: Digest username=&quot;52040668&quot;,realm=&quot;asterisk&quot;,nonce=&quot;6b60d637&quot;,uri=&quot;sip:
<a href="http://192.168.144.157">192.168.144.157</a>&quot;,algorithm=MD5,response=&quot;a3ff24f7421c4fde4dff7a8965504fc4&quot;.<br>Contact: &lt;<a href="mailto:sip:52040668@192.168.144.161">sip:52040668@192.168.144.161</a>
&gt;;expires=180.<br></i><i>Supported: em,timer,replaces,path.<br>Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.<br></i><i>Expires: 180.<br>User-Agent: Audiocodes-Sip-Gateway-MP-124 FXS/v.4.60A.016.003.
<br></i><i>Content-Length: 0.<br><br>.<br></i><i><br><br><br>#<br><br>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br></i><i>SIP/2.0 100 Trying.
<br></i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513347194;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br></i><i>From: &lt;sip:52040668@audiocodes&gt;;tag=1c1513251713.
<br></i><i>To: &lt;sip:52040668@audiocodes&gt;.<br></i><i>Call-ID: <a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>.<br></i><i>CSeq: 934 REGISTER.<br>User-Agent: Asterisk PBX.
<br></i><i>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.<br></i><i>Contact: &lt;<a href="mailto:sip:52040668@192.168.144.157">sip:52040668@192.168.144.157</a>&gt;.<br></i><i>Content-Length: 0.<br></i>
<i>.<br><br><br><br>#<br></i><i>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br></i><i>SIP/2.0 200 OK.<br></i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">
192.168.144.161</a>;branch=z9hG4bKac1513347194;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br>From: &lt;sip:52040668@audiocodes&gt;;tag=1c1513251713.<br>To: &lt;sip:52040668@audiocodes&gt;;tag=as06ce03af.
<br></i><i>Call-ID: <a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>.<br></i><i>CSeq: 934 REGISTER.<br></i><i>User-Agent: Asterisk PBX.<br></i><i>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
<br>Expires: 180.<br></i><i>Contact: &lt;<a href="mailto:sip:52040668@192.168.144.161">sip:52040668@192.168.144.161</a>&gt;;expires=180.<br></i><i>Date: Sat, 01 Jul 2006 06:23:14 GMT.<br></i><i>Content-Length: 0.<br></i><i>
.<br><br><br></i><i>#<br></i><i>U <a href="http://192.168.144.161:5060">192.168.144.161:5060</a> -&gt; <a href="http://192.168.144.157:5060">192.168.144.157:5060</a><br>REGISTER sip:<a href="http://192.168.144.157">192.168.144.157
</a> SIP/2.0.<br>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513406098.<br>Max-Forwards: 70.<br></i><i>From: &lt;sip:52040669@audiocodes&gt;;tag=1c1513298370.<br></i><i>To: &lt;sip:52040669@audiocodes
&gt;.<br></i><i>Call-ID: <a href="mailto:70673375911200042619@192.168.144.161">70673375911200042619@192.168.144.161</a>.<br></i><i>CSeq: 934 REGISTER.<br></i><i>Authorization: Digest username=&quot;52040669&quot;,realm=&quot;asterisk&quot;,nonce=&quot;43fa4b04&quot;,uri=&quot;sip:
<a href="http://192.168.144.157">192.168.144.157</a>&quot;,algorithm=MD5,response=&quot;4906bbe1da1a907d3bddbe169b891c7e&quot;.<br></i><i>Contact: &lt;<a href="mailto:sip:52040669@192.168.144.161">sip:52040669@192.168.144.161
</a>&gt;;expires=180.<br></i><i>Supported: em,timer,replaces,path.<br>Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.<br></i><i>Expires: 180.<br></i><i>User-Agent: Audiocodes-Sip-Gateway-MP-124 FXS/v.4.60A.016.003.
<br>Content-Length: 0.<br></i><i><br>.<br></i><i><br><br>#<br>U <a href="http://192.168.144.157:5060">192.168.144.157:5060</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br></i><i>SIP/2.0 100 Trying.
<br></i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513406098;received=<a href="http://192.168.144.161">192.168.144.161</a>.<br></i><i>From: &lt;sip:52040669@audiocodes&gt;;tag=1c1513298370.
<br>To: &lt;sip:52040669@audiocodes&gt;.<br>Call-ID: <a href="mailto:70673375911200042619@192.168.144.161">70673375911200042619@192.168.144.161</a>.<br></i><i>CSeq: 934 REGISTER.<br></i><i>User-Agent: Asterisk PBX.<br>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
<br>Contact: &lt;<a href="mailto:sip:52040669@192.168.144.157">sip:52040669@192.168.144.157</a>&gt;.<br>Content-Length: 0.<br></i><i><br>.<br><br></i><i><br>#<br>U <a href="http://192.168.144.157:5060">192.168.144.157:5060
</a> -&gt; <a href="http://192.168.144.161:5060">192.168.144.161:5060</a><br>SIP/2.0 200 OK.<br></i><i>Via: SIP/2.0/UDP <a href="http://192.168.144.161">192.168.144.161</a>;branch=z9hG4bKac1513406098;received=<a href="http://192.168.144.161">
192.168.144.161</a>.<br></i><i>From: &lt;sip:52040669@audiocodes&gt;;tag=1c1513298370.<br></i><i>To: &lt;sip:52040669@audiocodes&gt;;tag=as5624ce96.<br></i><i>Call-ID: <a href="mailto:70673375911200042619@192.168.144.161">
70673375911200042619@192.168.144.161</a>.<br>CSeq: 934 REGISTER.<br>User-Agent: Asterisk PBX.<br></i><i>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.<br></i><i>Expires: 180.<br>Contact: &lt;<a href="mailto:sip:52040669@192.168.144.161">
sip:52040669@192.168.144.161</a>&gt;;expires=180.<br></i><i>Date: Sat, 01 Jul 2006 06:23:14 GMT.<br></i><i>Content-Length: 0.<br><br><br>In ASTERISK:<br>Jul  1 09:28:00 DEBUG[6138]: chan_sip.c:1323 __sip_autodestruct: Auto destroying call '
<a href="mailto:70673352311200042619@192.168.144.161">70673352311200042619@192.168.144.161</a>'<br>Jul  1 09:28:00 DEBUG[6138]: chan_sip.c:1323 __sip_autodestruct: Auto destroying call '<a href="mailto:70673375911200042619@192.168.144.161">
70673375911200042619@192.168.144.161</a>'<br>Jul  1 09:28:53 NOTICE[6138]: pbx.c:1741 pbx_extension_helper: Cannot find extension context 'default'<br>Jul  1 09:28:53 DEBUG[6138]: chan_sip.c:11338 sipsock_read: SIP message could not be handled, bad request: 
<a href="mailto:193703101611200016955@192.168.144.161">193703101611200016955@192.168.144.161</a><br></i><br>Can you help me?<i><br></i><i><br></i><i><br><br></i><i><br></i>&nbsp;