dialup
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... UNIX to UNIX CoPy protocol, which is usually used
over dialup telephone networks to provide a simple message
transfer mechanism. There are some extensions to RFC 822std11(-> 2822prop) ...
... Some portions of Csnet follow the Internet protocols. The
dialup portion of Csnet uses the Phonenet protocols as a
replacement for RFC 821std10(-> 2821prop). This portion uses domains ...