Alliance of Telecommunications Industry Solutions (ATIS)
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ATIS 0300223-2014
ATIS 0300223-2014 history
2014ATIS 0300223-2014 Structure and Representation of Network Channel (NC) and Network Channel Interface (NCI) Codes for Information Exchange
2009ATIS 0300223-2009 Structure and Representation of Network Channel (NC) and Network Channel Interface (NCI) Codes for Information Exchange Pre-Pub [Superseded: ATIS T1.223]