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#261371 04/09/08 06:22 AM
Joined: Aug 2006
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Thanks guys for all the good info.

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#261372 04/09/08 11:11 AM
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ATT (Formerly SBC) 5ESS from what I remember.

#261373 04/09/08 03:59 PM
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Boththe DMS100 & 5E support NI-1 & NI-2.

One feature that I recall with NI-2, mandatory 10 digit dialing on all outside calls.

FO

#261374 04/10/08 12:34 AM
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FYI, for some reason, McLeod couldn't provide name & number CID off a DMS100 in central Iowa, but NI2 could. Don't know if that was a protocol, provider, or CO switch limitation.

I also found out about the 10 digit dialing the hard way. I was off site when they rebuilt the circuit. I logged in and made a test call, but my cell was long distance to the site, so I didn't find out about it until people started calling me with problems.. :-D

#261375 04/10/08 02:47 AM
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I join Dane in thanking everyone for the different responses. Differences (and mismatches) between ISDN protocol variants have caused headaches beyond belief for many. I forgot to mention the "4ESS" (custom) ISDN variant for the 4ESS tandem switches.

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