<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7650.28">
<TITLE>Nortel 81C MSDL Trunking to Asterisk TE110P, Nortel Resetting PRI Channels</TITLE>
</HEAD>
<BODY>
<!-- Converted from text/rtf format -->
<P><FONT FACE="Times New Roman">>>You have the PRIs set up to recover clock from the Asterisk box, is that what you want? If so, you certainly do >>*not* want span=1,1,0 or 2,2,0 since that will make Asterisk think the 81C should be clock master. Are there any >>telco-timed PRIs somewhere? If so, set up the PRIs on the 81C to be CLOK INT and then use </FONT></P>
<P><FONT FACE="Times New Roman">>>span=1,1,0,esf,b8zs and span=2,2,0,esf,b8zs on the Asterisk box. I'm going to assume that a big system like an</FONT>
<BR><FONT FACE="Times New Roman"> >>existing 81C already has the master clock set, but of course that will be a necessity if using internal clocking. - Brad </FONT></P>
<P><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">They type of card we are using on the Nortel 81C will not allow clocking. The clock must be supplied by the Asterisk. We do not have any other clocking running into the Asterisk.</FONT></P>
<BR>
<P><FONT SIZE=2 FACE="Arial">Marlon Blair</FONT>
<BR><FONT SIZE=2 FACE="Arial">DOH, Network System Analyst</FONT>
<BR><FONT SIZE=2 FACE="Arial">(850) 245-4400, Cell (850) 528-4244</FONT>
<BR><FONT SIZE=2 FACE="Arial">Fax (850) 412-1148</FONT>
<BR><FONT SIZE=2 FACE="Arial">Work Hours 7 AM to 3:30 PM</FONT>
</P>
<BR>
</BODY>
</HTML>