H.350.4
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... H.350.3 - Directory Services Architecture for H.320
H.350.4 - Directory Services Architecture for SIP
...
... SIP is an IETF standard, the contents of H.350 and H.350.4
are made available via this document to the IETF community.
...
... H.350.4 ...
... displays a user's correct registrar address) or automatically with
an H.350.4 aware user agent.
Semantics ...