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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi Amish,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>You&#8217;re right about the doc &#8211; we&#8217;re working
on it.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>In the meantime, some answers to your questions:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>DiaStar is an open source application which is used to
connect our proprietary DiaStar Media Engine (a variation of our HMP product)
to Asterisk. &nbsp;It uses the Woomera protocol to connect to a chan_woomera channel
driver on the Asterisk side.&nbsp; Dialogic DNI boards provide a T1/E1 interface to
the PSTN for CAS, ISDN or SS7. &nbsp;For SIGTRAN signaling, it uses our proprietary
DSI SIGTRAN stack. &nbsp;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>An intro to DiaStar architecture and how it works with
Asterisk is here:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a
href="http://www.dialogic.com/products/docs/appnotes/11541-diastar-intro-an.pdf">http://www.dialogic.com/products/docs/appnotes/11541-diastar-intro-an.pdf</a>
<o:p></o:p></span></font></p>

<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>This was written before SIGTRAN was added, so it just
mentions ISDN as a PSTN protocol.&nbsp; There is a diagram of how SIGTRAN fits in
here:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a
href="http://wiki.projectdiastar.org/index.php/Project_DiaStar_Server_-_SIGTRAN">http://wiki.projectdiastar.org/index.php/Project_DiaStar_Server_-_SIGTRAN</a>
<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Licensing for the open source Diastar application is GNU
General Public License. &nbsp;The DiaStar Media Engine and SIGTRAN stack are proprietary.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Descriptions of the DNI boards and SIGTRAN stack are here:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a
href="http://www.dialogic.com/products/signalingip_ss7components/SS7_Protocols.htm">http://www.dialogic.com/products/signalingip_ss7components/SS7_Protocols.htm</a>
<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a
href="http://www.dialogic.com/products/ip_enabled/hmp_enabled_boards.htm">http://www.dialogic.com/products/ip_enabled/hmp_enabled_boards.htm</a>
<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>If you would like pricing on the DNI boards and SIGTRAN
stack, please let me know.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><st1:PersonName w:st="on"><font size=3 color=navy
 face=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;
 color:navy'>John Hermanski</span></font></st1:PersonName></u1:PersonName><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=gray face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:gray'>Technical Marketing
Engineer</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=3 color=gray face="Times New Roman"><span
lang=EN-GB style='font-size:12.0pt;color:gray'><br>
</span></font><font color=gray face=Arial><span lang=EN-GB style='font-family:
Arial;color:gray'>Dialogic Inc.<br>
</span></font><st1:Street w:st="on"><st1:address w:st="on"><font size=2
  color=gray face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
  Arial;color:gray'>5 Monroe St</span></font></st1:address></st1:Street><font
size=2 color=gray face=Arial><span lang=EN-GB style='font-size:10.0pt;
font-family:Arial;color:gray'>.</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=gray face=Arial><span lang=IT
style='font-size:10.0pt;font-family:Arial;color:gray'>Salem, MA<br>
<u1:place u2:st="on"><u1:country-region u2:st="on">USA</u1:country-region></u1:place><br>
<br>
Tel:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font><font size=2 color=navy
face=Arial><span lang=IT style='font-size:10.0pt;font-family:Arial;color:navy'>978
744 9098<br>
</span></font><font size=2 color=gray face=Arial><span lang=IT
style='font-size:10.0pt;font-family:Arial;color:gray'>Cell:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 color=navy face=Arial><span lang=IT
style='font-size:10.0pt;font-family:Arial;color:navy'>978 836 8028<br>
</span></font><font size=2 color=gray face=Arial><span lang=IT
style='font-size:10.0pt;font-family:Arial;color:gray'>Email:&nbsp;&nbsp; </span></font><font
size=2 color=gray face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:gray'><a href="mailto:john.hermanski@dialogic.com"><span lang=IT>john.hermanski@dialogic.com</span></a></span></font><span
lang=IT><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 color=gray face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:gray'>Web:</span></font><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'>&nbsp;&nbsp;&nbsp;
<font color=navy><span style='color:navy'><a href="http://www.dialogic.com/">www.dialogic.com</a></span></font></span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=gray face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:gray'>This e-mail is intended
only for the named recipient(s) and may contain information that is privileged,
confidential and/or exempt from disclosure under applicable law. No waiver of
privilege, confidence or otherwise is intended by virtue of communication via
the internet. Any unauthorized use, dissemination or copying is strictly prohibited.
If you have received this e-mail in error, or are not named as a recipient,
please immediately notify the sender and destroy all copies of this e-mail.</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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