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<DIV><SPAN class=398293202-31082006><FONT face=Arial size=2>I have no NAT
issues. My PBX is multihomed and the outside IP is locked down for all
except IAX and SIP ports.</FONT></SPAN></DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial size=2>With the current
version of asterisk, which transport is better right now?</FONT></SPAN></DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial size=2>I am looking at 6-10
simultaneous calls over a half T1.</FONT></SPAN></DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial size=2>I am not asking
about codecs here, I am asking about SIP vs. IAX if the provider does either.
(we are looking at testing Teliax next)</FONT></SPAN></DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial size=2>I have seen posts
about jitter in IAX, so I am not sure if SIP might be better to use
right now.</FONT></SPAN></DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=398293202-31082006><FONT face=Arial size=2>Also, since IAX uses
the same port for all of the calls, the call separation has to be done higher in
the OSI stack. I do not know if this is better or worse or
neither.</FONT></SPAN></DIV>
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<P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thank You,</SPAN></P>
<P style="TEXT-ALIGN: center" align=center><B><SPAN
style="FONT-SIZE: 10pt; COLOR: maroon; FONT-FAMILY: Arial">Steven
BerkHolz</SPAN></B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><BR>- MCSA
- MCSE -<BR>Manager of Information Systems<BR><B><SPAN
style="COLOR: maroon">TESCO</SPAN></B><SPAN style="COLOR: maroon"> Group
Companies</SPAN><BR>Fax. 248-836-5101<BR><SPAN
style="COLOR: maroon">www.TESCOGroup.com</SPAN></SPAN></P>
<P style="TEXT-ALIGN: center" align=center><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Board member
of<BR></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #993300; FONT-FAMILY: Arial">www.glimasoutheast.org</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: maroon; FONT-FAMILY: Arial"><?xml:namespace
prefix = o ns = "urn:schemas-microsoft-com:office:office"
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