If it is a nortel switch and they are telling you they are using National, ni or ni1 then you need to set it to dms100. Some Nortel switches can speak ni2 in which case use primary-ni but triple check that its actually ni2. I have had this discussion with Bellsouth specifically until i was blue in the face and eventually determined that what they were calling national was actually nortel proprietary version of ni1 (not even a pri standard) and Cisco calls that dms 100. just don't make assumptions.<br>
<br><div class="gmail_quote">On Tue, Aug 17, 2010 at 1:47 PM, Bill <span dir="ltr"><<a href="mailto:bill@hitechconnection.net">bill@hitechconnection.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;font-family:Arial">I am ordering new circuits from the Telco and we are getting
our terminology crossed. They are asking / telling me they will install the circuits
as ISDN signaling NI2. I am telling them that we already have 20 circuits from
them. All of the existing circuits have ISDN switch-type DMS-100. So is the
DMS-100 that is in the Cisco H.323 gateway configuration compatible with NI2? They
are using the term ISDN signaling and I am using the term ISDN Switch-type. </span></font></p>
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