ATIS T1.679-2004
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Interworking between Session Initiation Protocol (SIP) and Bearer Independent Call Control or ISDN User Part
This Standard defines the signaling interworking between the Bearer Independent Call Control (BICC) or ISDN user Part (ISUP) protocols and SIP in order to support services that can be commonly supported by BICC or ISUP and SIP based network domains.
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