<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2900.2523" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>I want to interconnect 2 pbx switches from to
distinct location via an internet vpn using asterisk as VoiP
gateways.</FONT></DIV>
<DIV><FONT face=Arial size=2>The problem is what interfaces i must use between
asterisk servers and pbx switch (FXO or FXS), and why?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>thank you in advance</FONT></DIV></BODY></HTML>