voice mail
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...
There is currently a need for a mechanism to identify the originating
party of a voice mail message, outside of the "FROM" header
information. The telephone number and name of the caller ...
... (e.g., type of number, presentation restricted), as this information
is not presented to the called party and is generally not available
to voice mail systems. The intent is to store the available
information to an analog (non-ISDN) phone (e.g., per [T1.401 ...
... header ("Caller-ID") holds sufficient
information for the recipient's voice mail system to call back, or
reply to, the sender ...
... semantic is known (and the default if the parameter is
absent). "local" has meaning only within the domain of the voice
mail system that stored the message (i.e., the voice mail system
knows that the number belongs to a local numbering plan ...
... absent). "local" has meaning only within the domain of the voice
mail system that stored the message (i.e., the voice mail system
knows that the number belongs to a local numbering plan). "e164"
...