<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<META content="MSHTML 6.00.2716.2200" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=宋体 size=2>Hi, Steve</FONT></DIV>
<DIV><FONT face=宋体 size=2> Thank you for your hard
work.</FONT></DIV>
<DIV><FONT face=宋体 size=2> Yes, I use EuroISDN. My four E1s
connect to an Alcatel S12 Switch that works on PSTN. My Telco. turn CRC4
off, so do I.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT><FONT face=宋体 size=2></FONT><FONT face=宋体
size=2> And I'll ask them turn it on.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2> I have no X-Windows problem. I run
* on Redhat 9.0 and my run level is 3.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><BR><BR>That doesn't tell us very much, unless you tell us where these 4
E1s <BR>connect to. Should CRC4 really be switched off? I assume you are using
<BR>EuroISDN, since you have CCS enabled. That usually works with CRC4 on,
<BR>although some telcos do the wrong (read flaky) thing and turn CRC4
off.<BR><BR>As well as clock sourcing, another thing causing data slips on many
<BR>machines is using X-windows. Even on really fast machines the rapid
<BR>interrupts from the frame buffer used for X-windows causes data
loss.<BR><BR>Regards,<BR>Steve<BR><BR>_______________________________________________<BR>Asterisk-Users
mailing list<BR><A
href="mailto:Asterisk-Users@lists.digium.com">Asterisk-Users@lists.digium.com</A><BR><A
href="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</A><BR>To
UNSUBSCRIBE or update options visit:<BR> <A
href="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</A><BR><BR></DIV></BODY></HTML>