caller
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... voice mail message, outside of the "FROM" header
information. The telephone number and name of the caller are
typically available from the telephone network, but there is no
...
... message header fields be included to hold
this information, namely the Calling Line Identification ("Caller-
ID") and Caller Name ("Caller ...
... The Calling Line Identification header ("Caller-ID") holds sufficient
information for the recipient's voice mail system to call back ...
... Caller Name Field ...
... Further, the exact format for this field is typically a service
provider option per [T1.641]. It is possible for the caller's name
to be sent in one of several character sets depending on the service
provider ...
... T1.401].
As a result, for the caller name header defined in this document,
characters are represented with ASCII characters ...
...
Both Calling Line Identification and Caller Name follow the syntax
specification using the augmented Backus-Naur Form (BNF ...
... Caller Name Syntax ...
... coding options that are not available on the
receiving system, thus giving the recipient an incorrect Caller Name.
...
... IANA-administered registration space for
Caller-ID numbering plans in section 5.1. Each registry entry
consists of an identifying token ...