Hi,<br>I have found a few posts on this error from Google but none of
the solutions works.&nbsp; I am able to use radius_proxy_authorize for
REGISTER request without problem.&nbsp; But when I use
radius_proxy_authorize for INVITE, Opensers can&#39;t authroize it.&nbsp; I have
tried:<br>
<br>radius_proxy_authorize(&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;))<br>proxy_authorize(&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,&quot;subscriber&quot;)<br>
radius_proxy_authorize(&quot;&quot;))<br>

proxy_authorize(&quot;&quot;,&quot;subscriber<div id="1g6h" class="ArwC7c ckChnd">&quot;)<br><br>I
have been stuck with this for days already and I truely hope someone
can tell me what could be wrong with my setup.&nbsp; I am pretty much in a
stage of desperation right now.&nbsp; Thanks in advance for all your help.<br>
<br><br>Here are the relevant lines in openser.cfg:<br>#if (!radius_proxy_authorize(&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;)) { <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; if (!proxy_authorize(&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,&quot;subscriber&quot;)) {<br>

&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; www_challenge(&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,&quot;1&quot;);<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; exit;
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; } <br><br>Here is the openser debug log, I have highlighted the part that proxy_authorize throws error:<br><br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg: SIP Request:<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; method:&nbsp; &lt;INVITE&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; uri:&nbsp;&nbsp;&nbsp;&nbsp; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; version: &lt;SIP/2.0&gt;<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=2<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via_param: found param type 232, &lt;branch&gt; = &lt;z9hG4bK-f072f593&gt;; state=16<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via: end of header reached, state=5<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: via found, flags=2<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: this is the first via<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: After parse_msg...<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: preparing to run routing scripts...<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=8<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: end of header reached, state=10<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: display={&quot;1006&quot;}, ruri={<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>}<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: &lt;To&gt; [33]; uri=[<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>]<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: to body [&quot;1006&quot; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;<br>

]<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:pv_get_to_attr: no To tag<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=ffffffffffffffff<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: cseq &lt;CSeq&gt;: &lt;101&gt; &lt;INVITE&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: content_length=393<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: found end of header<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to_param: tag=39a9124ca59076d9o0<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: end of header reached, state=29<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: display={&quot;1005&quot;}, ruri={<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>}<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=14000<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:pv_get_authattr: no [Proxy-]Authorization header<br>
Sun Jun&nbsp; 1 05:37:16 2008-192.168.1.101::method &lt;INVITE&gt; r-uri &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt; to-tag &lt;&lt;null&gt;&gt;&nbsp; 2nd via &lt;&lt;null&gt;&gt; to-header &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt; from-header &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt; auth-user &lt;&lt;null&gt;&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:maxfwd:is_maxfwd_present: value = 70<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:check_via_address: params <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, 0<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=80<br>before fix nated contact<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=80<br><br>Jun&nbsp; 1 05:37:16 [29028] DBG:uri:has_totag: no totag<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=78<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:tm:t_lookup_request: start searching: hash=59293, isACK=0<br>Jun&nbsp; 1 05:37:16 [29028] DBG:tm:matching_3261: RFC3261 transaction matching failed<br>Jun&nbsp; 1 05:37:16 [29028] DBG:tm:t_lookup_request: no transaction found<br>

<br>Jun&nbsp; 1 05:37:16 [29028] DBG:domain:is_domain_local: Realm &#39;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&#39; is local<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:db_free_rows: freeing 1 rows<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:db_free_rows: row[0]=0x81a1c28<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:db_free_rows: 0x81a1c28=pkg_free() RES_ROWS<br><br><span style="color: rgb(255, 0, 0);">Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=10000</span><br style="color: rgb(255, 0, 0);">

<span style="color: rgb(255, 0, 0);">Jun&nbsp; 1 05:37:16 [29028] DBG:auth:pre_auth: credentials with given realm not found</span><br><br>Jun&nbsp; 1 05:37:16 [29028] DBG:auth:build_auth_hf: &#39;WWW-Authenticate: Digest realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;, nonce=&quot;4841c6380fa8573a4e9794b1a0a2df9f3e53cb49&quot;, qop=&quot;auth&quot;<br>

&#39;<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=ffffffffffffffff<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:check_via_address: params <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, 0<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:destroy_avp_list: destroying list 0xb5bf9be0<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: cleaning up<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg: SIP Request:<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; method:&nbsp; &lt;ACK&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; uri:&nbsp;&nbsp;&nbsp;&nbsp; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; version: &lt;SIP/2.0&gt;<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=2<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via_param: found param type 232, &lt;branch&gt; = &lt;z9hG4bK-f072f593&gt;; state=16<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via: end of header reached, state=5<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: via found, flags=2<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: this is the first via<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: After parse_msg...<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: preparing to run routing scripts...<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=8<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to_param: tag=026ab2c49274b4e0186dd72188f7d50a.939a<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: end of header reached, state=29<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: display={&quot;1006&quot;}, ruri={<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>}<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: &lt;To&gt; [75]; uri=[<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>]<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: to body [&quot;1006&quot; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;]<br>Jun&nbsp; 1 05:37:16 [29028] DBG:sl:sl_filter_ACK: local ACK found -&gt; dropping it!<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:destroy_avp_list: destroying list (nil)<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: cleaning up<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg: SIP Request:<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; method:&nbsp; &lt;INVITE&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; uri:&nbsp;&nbsp;&nbsp;&nbsp; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; version: &lt;SIP/2.0&gt;<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=2<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via_param: found param type 232, &lt;branch&gt; = &lt;z9hG4bK-dc12d56c&gt;; state=16<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via: end of header reached, state=5<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: via found, flags=2<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: this is the first via<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: After parse_msg...<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: preparing to run routing scripts...<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=8<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: end of header reached, state=10<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: display={&quot;1006&quot;}, ruri={<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>}<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: &lt;To&gt; [33]; uri=[<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>]<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: to body [&quot;1006&quot; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;<br>

]<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:pv_get_to_attr: no To tag<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=ffffffffffffffff<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: cseq &lt;CSeq&gt;: &lt;102&gt; &lt;INVITE&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: content_length=393<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: found end of header<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to_param: tag=39a9124ca59076d9o0<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: end of header reached, state=29<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: display={&quot;1005&quot;}, ruri={<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>}<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=14000<br>
Sun Jun&nbsp; 1 05:37:16 2008-192.168.1.101::method &lt;INVITE&gt; r-uri &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt; to-tag &lt;&lt;null&gt;&gt;&nbsp; 2nd via &lt;&lt;null&gt;&gt; to-header &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt; from-header &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt; auth-user &lt;1005&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:maxfwd:is_maxfwd_present: value = 70<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:check_via_address: params <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, 0<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=80<br><br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=80<br><br>Jun&nbsp; 1 05:37:16 [29028] DBG:uri:has_totag: no totag<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=78<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:tm:t_lookup_request: start searching: hash=59290, isACK=0<br>Jun&nbsp; 1 05:37:16 [29028] DBG:tm:matching_3261: RFC3261 transaction matching failed<br>Jun&nbsp; 1 05:37:16 [29028] DBG:tm:t_lookup_request: no transaction found<br>

<br>Jun&nbsp; 1 05:37:16 [29028] DBG:domain:is_domain_local: Realm &#39;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&#39; is local<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:db_free_rows: freeing 1 rows<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:db_free_rows: row[0]=0x81a1c28<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:db_free_rows: 0x81a1c28=pkg_free() RES_ROWS<br><br><span style="color: rgb(255, 0, 0);">Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=10000</span><br style="color: rgb(255, 0, 0);">

<span style="color: rgb(255, 0, 0);">Jun&nbsp; 1 05:37:16 [29028] DBG:auth:pre_auth: credentials with given realm not found</span><br><br>Jun&nbsp; 1 05:37:16 [29028] DBG:auth:build_auth_hf: &#39;WWW-Authenticate: Digest realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;, nonce=&quot;4841c6380fa8573a4e9794b1a0a2df9f3e53cb49&quot;, qop=&quot;auth&quot;<br>

&#39;<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=ffffffffffffffff<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:check_via_address: params <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>, 0<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:destroy_avp_list: destroying list 0xb5bf9be0<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: cleaning up<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg: SIP Request:<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; method:&nbsp; &lt;ACK&gt;<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; uri:&nbsp;&nbsp;&nbsp;&nbsp; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_msg:&nbsp; version: &lt;SIP/2.0&gt;<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=2<br>
Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via_param: found param type 232, &lt;branch&gt; = &lt;z9hG4bK-dc12d56c&gt;; state=16<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_via: end of header reached, state=5<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: via found, flags=2<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: this is the first via<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: After parse_msg...<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: preparing to run routing scripts...<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_headers: flags=8<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to_param: tag=026ab2c49274b4e0186dd72188f7d50a.6388<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: end of header reached, state=29<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:parse_to: display={&quot;1006&quot;}, ruri={<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>}<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: &lt;To&gt; [75]; uri=[<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>]<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:get_hdr_field: to body [&quot;1006&quot; &lt;<a href="mailto:sip%3A1006@192.168.1.104" target="_blank">sip:1006@192.168.1.104</a>&gt;]<br>Jun&nbsp; 1 05:37:16 [29028] DBG:sl:sl_filter_ACK: local ACK found -&gt; dropping it!<br>

Jun&nbsp; 1 05:37:16 [29028] DBG:core:destroy_avp_list: destroying list (nil)<br>Jun&nbsp; 1 05:37:16 [29028] DBG:core:receive_msg: cleaning up<br><br><br><br>Here is the SIP trace:<br><br>U <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a> -&gt; <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a><br>
INVITE <a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a> SIP/2.0.<br>
Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-d392c9a5.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 101 INVITE.<br>Max-Forwards: 70.<br>Contact: &quot;1005&quot; &lt;<a href="http://sip:1005@192.168.1.101:5062/" target="_blank">sip:1005@192.168.1.101:5062</a>&gt;.<br>

Expires: 240.<br>User-Agent: Sipura/SPA921-4.1.10(b).<br>Content-Length: 395.<br>Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.<br>Content-Type: application/sdp.<br>.<br>v=0.<br>o=- 36185 36185 IN IP4 <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>.<br>

s=-.<br>c=IN IP4 <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>.<br>t=0 0.<br>m=audio 16424 RTP/AVP 0 2 4 8 18 96 97 98 101.<br>a=rtpmap:0 PCMU/8000.<br>a=rtpmap:2 G726-32/8000.<br>a=rtpmap:4 G723/8000.<br>
a=rtpmap:8 PCMA/8000.<br>
a=rtpmap:18 G729a/8000.<br>a=rtpmap:96 G726-40/8000.<br>a=rtpmap:97 G726-24/8000.<br>a=rtpmap:98 G726-16/8000.<br>a=rtpmap:101 telephone-event/8000.<br>a=fmtp:101 0-15.<br>a=ptime:30.<br>a=sendrecv.<br><br><br>U <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a> -&gt; <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a><br>

SIP/2.0 401 Unauthorized.<br>Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-d392c9a5;rport=5062.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>

To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=026ab2c49274b4e0186dd72188f7d50a.f608.<br>Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>

CSeq: 101 INVITE.<br>WWW-Authenticate: Digest realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;, nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;, qop=&quot;auth&quot;.<br>Server: OpenSER (1.3.2-notls (i386/linux)).<br>

Content-Length: 0.<br>.<br><br><br>U <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a> -&gt; <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a><br>ACK <a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a> SIP/2.0.<br>

Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-d392c9a5.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=026ab2c49274b4e0186dd72188f7d50a.f608.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 101 ACK.<br>Max-Forwards: 70.<br>Contact: &quot;1005&quot; &lt;<a href="http://sip:1005@192.168.1.101:5062/" target="_blank">sip:1005@192.168.1.101:5062</a>&gt;.<br>

User-Agent: Sipura/SPA921-4.1.10(b).<br>Content-Length: 0.<br>.<br><br><br>U <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a> -&gt; <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a><br>
INVITE <a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a> SIP/2.0.<br>
Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-4cf05fb6.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 102 INVITE.<br>Max-Forwards: 70.<br>Authorization: Digest username=&quot;1005&quot;,realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;,uri=&quot;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&quot;,algorithm=MD5,response=&quot;e39bd9dc46a72ea191fca87e98cf9136&quot;,qop=auth,nc=00000001,cnonce=&quot;9d027a79&quot;.<br>

Contact: &quot;1005&quot; &lt;<a href="http://sip:1005@192.168.1.101:5062/" target="_blank">sip:1005@192.168.1.101:5062</a>&gt;.<br>Expires: 240.<br>User-Agent: Sipura/SPA921-4.1.10(b).<br>Content-Length: 395.<br>Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.<br>

Content-Type: application/sdp.<br>.<br>v=0.<br>o=- 36185 36185 IN IP4 <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>.<br>s=-.<br>c=IN IP4 <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>.<br>
t=0 0.<br>m=audio 16424 RTP/AVP 0 2 4 8 18 96 97 98 101.<br>
a=rtpmap:0 PCMU/8000.<br>a=rtpmap:2 G726-32/8000.<br>a=rtpmap:4 G723/8000.<br>a=rtpmap:8 PCMA/8000.<br>a=rtpmap:18 G729a/8000.<br>a=rtpmap:96 G726-40/8000.<br>a=rtpmap:97 G726-24/8000.<br>a=rtpmap:98 G726-16/8000.<br>a=rtpmap:101 telephone-event/8000.<br>

a=fmtp:101 0-15.<br>a=ptime:30.<br>a=sendrecv.<br><br><br>U <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a> -&gt; <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a><br>
SIP/2.0 401 Unauthorized.<br>Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-4cf05fb6;rport=5062.<br>
From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=026ab2c49274b4e0186dd72188f7d50a.218e.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 102 INVITE.<br>WWW-Authenticate: Digest realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;, nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;, qop=&quot;auth&quot;.<br>

Server: OpenSER (1.3.2-notls (i386/linux)).<br>Content-Length: 0.<br>.<br><br><br>U <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a> -&gt; <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a><br>
ACK <a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a> SIP/2.0.<br>
Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-4cf05fb6.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=026ab2c49274b4e0186dd72188f7d50a.218e.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 102 ACK.<br>Max-Forwards: 70.<br>Authorization: Digest username=&quot;1005&quot;,realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;,uri=&quot;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&quot;,algorithm=MD5,response=&quot;dc66b568ed8ec48f0f405aa063156eaa&quot;,qop=auth,nc=00000001,cnonce=&quot;9d027a79&quot;.<br>

Contact: &quot;1005&quot; &lt;<a href="http://sip:1005@192.168.1.101:5062/" target="_blank">sip:1005@192.168.1.101:5062</a>&gt;.<br>User-Agent: Sipura/SPA921-4.1.10(b).<br>Content-Length: 0.<br>.<br><br><br>U <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a> -&gt; <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a><br>

INVITE <a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a> SIP/2.0.<br>Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-e2c260be.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>

To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;.<br>Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 103 INVITE.<br>
Max-Forwards: 70.<br>
Authorization: Digest username=&quot;1005&quot;,realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;,uri=&quot;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&quot;,algorithm=MD5,response=&quot;8d2b52278a72326a57361ec1ca2601c3&quot;,qop=auth,nc=00000001,cnonce=&quot;f4b6f3a0&quot;.<br>

Contact: &quot;1005&quot; &lt;<a href="http://sip:1005@192.168.1.101:5062/" target="_blank">sip:1005@192.168.1.101:5062</a>&gt;.<br>Expires: 240.<br>User-Agent: Sipura/SPA921-4.1.10(b).<br>Content-Length: 395.<br>Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.<br>

Content-Type: application/sdp.<br>.<br>v=0.<br>o=- 36185 36185 IN IP4 <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>.<br>s=-.<br>c=IN IP4 <a href="http://192.168.1.101/" target="_blank">192.168.1.101</a>.<br>
t=0 0.<br>m=audio 16424 RTP/AVP 0 2 4 8 18 96 97 98 101.<br>
a=rtpmap:0 PCMU/8000.<br>a=rtpmap:2 G726-32/8000.<br>a=rtpmap:4 G723/8000.<br>a=rtpmap:8 PCMA/8000.<br>a=rtpmap:18 G729a/8000.<br>a=rtpmap:96 G726-40/8000.<br>a=rtpmap:97 G726-24/8000.<br>a=rtpmap:98 G726-16/8000.<br>a=rtpmap:101 telephone-event/8000.<br>

a=fmtp:101 0-15.<br>a=ptime:30.<br>a=sendrecv.<br><br><br>U <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a> -&gt; <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a><br>
SIP/2.0 401 Unauthorized.<br>Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-e2c260be;rport=5062.<br>
From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=026ab2c49274b4e0186dd72188f7d50a.8d8a.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 103 INVITE.<br>WWW-Authenticate: Digest realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;, nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;, qop=&quot;auth&quot;.<br>

Server: OpenSER (1.3.2-notls (i386/linux)).<br>Content-Length: 0.<br>.<br><br><br>U <a href="http://192.168.1.101:5062/" target="_blank">192.168.1.101:5062</a> -&gt; <a href="http://192.168.1.104:5060/" target="_blank">192.168.1.104:5060</a><br>
ACK <a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a> SIP/2.0.<br>
Via: SIP/2.0/UDP 192.168.1.101:5062;branch=z9hG4bK-e2c260be.<br>From: &quot;1005&quot; &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=131fa1047c30f2a4o0.<br>To: &lt;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&gt;;tag=026ab2c49274b4e0186dd72188f7d50a.8d8a.<br>

Call-ID: <a href="mailto:a3888884-92d13124@192.168.1.101" target="_blank">a3888884-92d13124@192.168.1.101</a>.<br>CSeq: 103 ACK.<br>Max-Forwards: 70.<br>Authorization: Digest username=&quot;1005&quot;,realm=&quot;<a href="http://192.168.1.104/" target="_blank">192.168.1.104</a>&quot;,nonce=&quot;4841caae665a98cec71734a5cf84c70d10ac8f63&quot;,uri=&quot;<a href="mailto:sip%3A1005@192.168.1.104" target="_blank">sip:1005@192.168.1.104</a>&quot;,algorithm=MD5,response=&quot;8ebde837f7c7c49f721d9f2c44b3797d&quot;,qop=auth,nc=00000001,cnonce=&quot;f4b6f3a0&quot;.<br>

Contact: &quot;1005&quot; &lt;<a href="http://sip:1005@192.168.1.101:5062/" target="_blank">sip:1005@192.168.1.101:5062</a>&gt;.<br>User-Agent: Sipura/SPA921-4.1.10(b).<br>Content-Length: 0.</div>