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<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Hi, All!<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I have a strange
problem with SIP trunks between CCM and Unity Express. CUE installed into 3825-voice
and integrated into CCM using JTAPI.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Call comes from SIP
to that 3825 and is being redirected to CCM6 to CUE’s AutoAttendant. That works
OK, AA answers using my custom script, catches DTMF extension and redirects
call to CCM using that extension. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>All works OK, except
one thing - while call is redirected to extension, external caller is not
hearing RING tones, just confusing silence until call is answered on the IP
phone.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>When I’m calling from
internal IP phone to AA’s extension and my call is being redirected to another
extension – I hearing the RING tone, all works fine.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>The call flow looks
like this:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>SIP provider </span><span
lang=EN-US style='font-family:Wingdings;color:#1F497D'>Α</span><span
lang=EN-US style='color:#1F497D'> 3825 </span><span lang=EN-US
style='font-family:Wingdings;color:#1F497D'>Α</span><span lang=EN-US
style='color:#1F497D'> CCM6.0(1)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'> +
CUE<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>What to check?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>Kind regards, <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>--<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>Ilya Rubinchik<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>Systems Engineer<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>Telecommunication Systems Division<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>ABRIS DISTRIBUTION, INC. <o:p></o:p></span></p>
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