This American National Standard defines a Calling Name Delivery service in the IP-based Next Generation Network (NGN). The enhanced CNAM (eCNAM) service includes a mandatory longer name field and optional additional information about the caller.
ATIS 1000067.2015(R2020)
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IP NGN Enhanced Calling Name (eCNAM)
The Alliance for Telecommunications Industry Solutions , 08/01/2015
Pages: 19
