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<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff
size=2>E&M is the traditional protocol to connect two COs or PBXs
together.</FONT></SPAN></DIV>
<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff
size=2>E&M trunks are inherently symmetrical. So there is no subscriber or
CO side.</FONT></SPAN></DIV>
<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff size=2>You
have to see about the higher level signalling protocol to make sure dialed
digits etc work right.</FONT></SPAN></DIV>
<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=775000616-21012004><FONT face=Arial color=#0000ff
size=2>Regards.</FONT></SPAN></DIV><SPAN class=775000616-21012004>
<DIV><FONT face=Arial color=#0000ff size=2>Alfred R. Nurnberger</FONT></DIV>
<DIV><FONT color=#0000ff>
<HR>
</FONT><FONT face=Arial size=2><FONT color=#0000ff><FONT size=2><B>F L O S Y
S</B></FONT><BR><FONT size=1>Making Communications Flow</FONT><BR></FONT><FONT
size=2><FONT color=#0000ff>Tel: +1 (503) 972-9300<BR>Fax: +1 (503)
972-9309<BR>US Toll Free: 1-877-4FLOSYS<BR></FONT><A
href="http://www.flosys.com"><FONT
color=#0000ff>http://www.flosys.com</FONT></A></FONT></FONT></DIV>
<DIV><FONT color=#0000ff></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
asterisk-users-admin@lists.digium.com
[mailto:asterisk-users-admin@lists.digium.com]<B>On Behalf Of </B>M.A.
Ali<BR><B>Sent:</B> Tuesday, January 20, 2004 11:06 PM<BR><B>To:</B>
asterisk-users@lists.digium.com<BR><B>Subject:</B> [Asterisk-Users] CAS SF
Inband tone signalling problem<BR><BR></FONT></DIV>
<DIV>
<P>Hi,</P>
<P>I am having some problem in defining CAS SF Inband signalling on a Digium
E100P card. The problem is that the syntax given in the sample zaptel.conf
doesn't work. Can someone provide me with an example of the syntax.</P>
<P>I am trying to connnect asterisk with another exchange using a E1 CAS. I
guess SF is the only option as the rest fxo,fxs,e&m etc are all subscriber
end signalling. i need a CO to CO (or PBX to PBX) signalling...Somebody
guide me on that too.</P>
<P>Any help will be highly appreciated.</P>
<P>Thnaks </P>
<P>Sincerly,</P>
<P>Janjua<BR><BR><BR></P>
<DIV> </DIV></DIV><BR clear=all>
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