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    <tt>Hi </tt>Jorge,<br>
    <br>
    First of all, why do you want to use b2b support if you only need
    topo hiding and to terminate a call ? For these you can simply use
    the dialog module, which is a much lighter approach (with less
    probability for complications).<br>
    <br>
    Have you consider to use the dialog module, with topology_hiding()
    script function and dlg_end_dlg MI function ?<br>
    <br>
    Regards,<br>
    <pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
    <br>
    On 06/12/2013 07:35 PM, Jorge Henrique Pinho wrote:
    <blockquote
cite="mid:AA970528BDC4D3439B10D0D6295E87A601B3E32212AA@INOAVREX11.ptin.corpPT.com"
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        <p class="MsoNormal"><span lang="EN-US">Hi, I am using opensips
            with b2b module with topology hiding.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">I am trying to terminate
            a call when i receive the 200OK response to a Re-Invite. To
            accomplish this i am using the 'terminate_call' function
            defined in b2b_logic module.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">The dialog is establish
            and an user sends an in dialog Invite to renegotiate codecs,
            but the 200OK reply is mal formed. In consequence I need to
            terminate the call at this stage.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">To accomplish this I am
            using the terminate_call function present in b2b_logic
            module. When I receive the 200OK bad formatted message, I
            invoke the terminate_call function. The behavior of b2b is
            this :<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A -----------------
            Opensips (B2B) ------------------------ B<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A&nbsp;&nbsp; Re-Invite </span><span
            style="font-size: 12pt; font-family: Wingdings;"
            lang="EN-US">&agrave;</span><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Re-Invite </span><span style="font-size:
            12pt; font-family: Wingdings;" lang="EN-US">&agrave;</span><span
            lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A&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; 200 OK*&nbsp; </span><span style="font-size: 12pt;
            font-family: Wingdings;" lang="EN-US">&szlig;</span><span
            style="font-size: 12pt; font-family:
            &quot;Arial&quot;,&quot;sans-serif&quot;;" lang="EN-US">&nbsp;</span><span
            lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;B *Bad formatted 200OK<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A&nbsp;&nbsp;&nbsp; BYE </span><span
            style="font-size: 12pt; font-family: Wingdings;"
            lang="EN-US">&szlig;</span><span style="font-size: 12pt;
            font-family: &quot;Arial&quot;,&quot;sans-serif&quot;;"
            lang="EN-US">&nbsp;</span><span lang="EN-US">&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;&nbsp; &nbsp;&nbsp;B<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A&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; BYE</span><span style="font-size: 12pt;
            font-family: Wingdings;" lang="EN-US"> &agrave;</span><span
            lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;B<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A&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; ACK &nbsp;&nbsp;&nbsp;</span><span style="font-size: 12pt;
            font-family: Wingdings;" lang="EN-US">&agrave;</span><span
            lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">A&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; BYE &nbsp;&nbsp;&nbsp;&nbsp;</span><span
            style="font-size: 12pt; font-family: Wingdings;"
            lang="EN-US">&agrave;</span><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">It seems that b2b is
            sending a first BYE to B that was not supposed to. Log is in
            the attachment.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">Can you help me fix
            this?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal">Kind regards<o:p></o:p></p>
        <p class="MsoNormal"> <o:p></o:p></p>
        <p class="MsoNormal">Jorge Pinho<o:p></o:p></p>
      </div>
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