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<DIV><FONT face=Arial size=2>DEAN RENU</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>LET ME KNOW ONCE YOUR GSM INTERFACE IS DONE, WE
WILL BE INTERESTED TO BUY THESE</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>THANKS AND KIND REGARDS</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>ANDY SINGH</FONT></DIV>
<DIV><FONT face=Arial size=2>+1 416 856 7047</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=rrenu@cedt.iisc.ernet.in href="mailto:rrenu@cedt.iisc.ernet.in">Renu
Rangnekar</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=asterisk-users@lists.digium.com
href="mailto:asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, September 11, 2004 2:40
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Asterisk-Users] Help!!!!!</DIV>
<DIV><BR></DIV><!-- Converted from text/rtf format -->
<P><FONT face="Times New Roman">Hello all,<BR></FONT><BR><FONT face=Arial
size=2>I am an MTech student and currently working on a project on building
GSM air interface to fixed line. I am making use of Asterisk soft PBX. I am
stuck at a point regarding this. As far as I understood from the
available Asterisk documentation that Asterisk can easily plug into it the
various programming interfaces and different codecs in it can seemlessly talk
to one another. Asterisk has a codec translator API for GSM. Is it possible to
make Asterisk directly communicate with a GSM air interface module thourgh the
GSM codec API ? That means that i would be making a call from IP phone that
wil be routed through the asterisk to the GSM interface. If it is possible,
where should i make the necessay changes to enable this
interworking.</FONT></P>
<P><FONT face="Times New Roman">Can i make asterisk to work as a softphone by
itself and with the help of sound card can i route the call to a GSM circuit.
Basically i want to connect the incoming landline call to a GSM circuit
through a PBX.<BR>Is it feasible to connect the output of the sound card to
the Acoustic interface(microphone interface) of the GSM circuit?<BR>Further
can i include an executable script file (containing AT commands to the GSM
modem) in the Asterisk dialplan? Basically i a running two SIP clients. One
SIP client makes a call to another which is running on the Asterisk machine
itself. Asterisk will route call to the SIP user agent which will then make
use of sound card. If i mmeanwhile modify Asterisk dialplan to issue AT
commands to GSM modem. The analog baseband of GSM chipset will take its input
from the sound card and will then make a radio link to the dialed cell
number.<BR></FONT><BR><FONT face="Times New Roman">Thanks a lot in advance for
help!!!<BR>Renu Rangnekar<BR>MTech Student<BR>IISc,Bangalore </FONT></P>
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