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ATIS 1000028.2008(R2013)
- IP Device (SIP UA) to Network Interface Standard
- standard by Alliance for Telecommunication Industry Solutions, 07/03/2008
- Publisher: ATIS
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This User to Network Interface (UNI) standard supports SIP based interconnection for VoIP between a carrier (SCF) and the user (EUF). The SIP UNI interface specified in this document is applicable to individual SIP phones as well as to SUP PBXs.