Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!usc!apple!bionet!hayes.fai.alaska.edu!accuvax.nwu.edu!nucsrl!telecom-request From: manuel%psi#telenet.astarg%ssl.span@noao.edu (Manuel J. Moguilevsky) Newsgroups: comp.dcom.telecom Subject: Re: Yellow Pages in Argentina Message-ID: <10832@accuvax.nwu.edu> Date: 13 Aug 90 13:52:10 GMT Sender: news@accuvax.nwu.edu Organization: TELECOM Digest Lines: 19 Approved: Telecom@eecs.nwu.edu X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@eecs.nwu.edu X-Telecom-Digest: Volume 10, Issue 568, Message 5 of 10 Digest readers have written: >>The NUA of the yellow pages: 0 7222 211103127 >which seems to indicate that NUA is an abbreviation of some sort. >(with N standing for Numero?) About the NUA, it means IDN in English: IDN = Identification Data Network (121 CCITT RECOMENDATION) DNIC = Data Network Identification Code NTN = Network Terminal Number IDN = DNIC + NTN Manuel