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    <div class="moz-cite-prefix">Hi Doug,<br>
      <br>
      I will update the cookbook to also include a failover recipe.  I
      will give you an update when it is available.  For the meantime,
      make sure that all the UA involved can handle 3xx responses. 
      Karoo uses standard redirects for failover.<br>
      <br>
      Joegen<br>
      <br>
      On 08/30/2012 04:23 PM, Doug Reid wrote:<br>
    </div>
    <blockquote
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      <div class="WordSection1">
        <p class="MsoNormal">Hi Joegen<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">I have a requirement to setup a specific
          situation where we would need similar functionalities of the
          old OSBC but with more capability. There is a large project
          that will generate large sales volumes if I can achieve this.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">I need to use the B2BUA with Upper
          Registration Mode  that keeps an AOR of relayed users, these
          AOR entries must be able to be interacted with.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">I need to connect a local UA on port  5050
          through the SBC and the REGISTER must relay to an Upper
          Registration IP address.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">I need to then connect a trunk to a either
          Asterisk, Freeswitch or a gateway such as
          Audiocdes/NET/Vegastream.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">From a routing perspective I need to have
          the following routing ability that can be altered when
          required:<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">UA calls UA:<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">        
              </span></span></span><!--[endif]-->A local call can be
          made from UA to UA in the following codecs G711a/u, G729, AMR,
          GSM<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">        
              </span></span></span><!--[endif]-->If the UA is not
          present in the AOR then the next route will apply i.e the
          INVITE is sent to the ITSP or IP PBX with codec support for
          G711a/u, G729, AMR, GSM<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">UA calls IP PBX<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">        
              </span></span></span><!--[endif]-->A local UA calls a
          predefined an extension dial plan i.e. 3XXX the INVITE is sent
          to the IP PBX to initiate a local RTP call
          <o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">        
              </span></span></span><!--[endif]-->If the IP PBX rejects
          the INVITE there should be a ability for a alternate route to
          be sent for example to the ITSP or other routes<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">IP PBX calls UA<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-18.0pt;mso-list:l2 level1 lfo3"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">        
              </span></span></span><!--[endif]-->If the IP PBX calls a
          UA on the SIP trunk the INVITE should initially search for the
          UA in the AOR and try initiate a call.<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-18.0pt;mso-list:l2 level1 lfo3"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">        
              </span></span></span><!--[endif]-->If the UA does not
          exist then the INVITE must be redirected to the ITSP or other
          route.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">As a last requirement if the Upper
          Registration route fails all above should still function
          except the route to the ITSP (like a SAS ability)<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Please let me know if you can assist?<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-ZA"><img
              id="Picture_x0020_2"
              src="cid:part1.05000806.08080502@ossapp.com"
              alt="Description: cid:image001.png@01CD852F.58D084B0"
              height="323" width="582"></span><o:p></o:p></p>
        <p class="MsoNormal">Regards<o:p></o:p></p>
        <p class="MsoNormal">Doug<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
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      <br>
      <pre wrap="">_______________________________________________
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</pre>
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