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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Hi
Mesbah,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>We
have telco E1’s connected to Telsis equipment. We have other ISDN
connections between this Telsis and some other Asterisk servers to send/receive
calls on VoIP interconnects.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Now,
we have configured 1 trunk on Telsis which is connected to this asterisk server
as SS7. Asterisk is built with libSS7.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>I
have already posted my asterisk configuration. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>We
want to send calls from Telsis to Asterisk or vica-versa over this SS7 link.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Configuration
on Telsis trunk is:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Signalling
Scheme: SS7 ISUP<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Signalling
Variant: White Book ISUP<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>CRC4:
Generate and detect CRC4 <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Location
of trunk: Transit<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>SS7
link configuration on Telsis is like: <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>-Near-end
point code is defined for this device.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>-Link
is created with this trunk using timeslot 16. This link is allocated to a
linkset on which we have defined adjacent point code (which is asterisk point
code).<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>-A
Route Set is defined with settings: Far end PC = asterisk PC, CIC scheme = 32,
linkset <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>---<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Kind
Regards,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:10.0pt;font-family:
"Verdana","sans-serif"'>Deepika Nijhawan<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:10.0pt;font-family:
"Verdana","sans-serif"'>VoIP Engineer<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:10.0pt;font-family:
"Verdana","sans-serif"'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:10.0pt;font-family:
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"Verdana","sans-serif";color:black'>T:</span></b><span lang=EN-AU
style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> +44(0) 871 434
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<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>
+44(0) 121 620 9151<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:10.0pt;font-family:
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