RFC 4237:Voice Messaging Directory Service
RFC-Ref

telephone number


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... enterprise or service provider domain using the recipient's telephone number. ...


... When present, the vPIMUser object contains information useful for verifying that the dialed telephone number corresponds to the intended recipient. This object also provides capability information and mailbox ...
... vPIMTelephoneNumber is the full E.164 form of the telephone number [E164], including any sub-addressing portion. The ...
... SYNTAX 1.3.6.1.4.1.1466.115.121.1.44{20} ) Example: A North American telephone number with the sub address of 12 would be represented as "+12145551212+12". ...
... vPIMTelephoneNumber is, by default, a multi-valued attribute. But if an entry has multiple values for this attribute, those values MUST be distinct from each other in the telephone number portion. It is expected that each submailbox of a single telephone number will have its own vPIMUser ...
... those values MUST be distinct from each other in the telephone number portion. It is expected that each submailbox of a single telephone number will have its own vPIMUser entry. ...
... address. In most cases, these values will be the same. The telephone number is stored with no parenthesis, spaces, dots, or hyphens. The leading '+' and the '+' delineating the submailbox are required markup. ...
... of the voice mailbox associated with a given telephone number. It is defined as a distinct attribute to distinguish it from the rfc822Mailbox attribute that may be used for other purposes. ...
... This attribute indicates the presence of sub-mailboxes for the queried telephone number. This information may be used to provide a post-dial sub-addressing menu to the sender ...


... especially in this time of local phone competition. Service providers require maximum flexibility to protect this data. Because of the dense nature of telephone number assignments, this data is subject to "go fish" queries ...



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