| 摘要 |
A method of discovering a contact identifier by which data may be sent over one or more electronic data communication network ( 10 ) toward one or more network access device ( 14 - 20 ) used by a user ( 21 ), which method comprises the steps of: (a) electronically collecting a contact identifier from said one or more network access device, and storing said contact identifier in memory, which contact identifier provides an indication of the addressing option(s) available on the or each network access device; (b) generating an electronic database comprising or comprising a reference to said contact identifier; and (c) providing access to said electronic database whereby said user ( 21 ) and/or another user may obtain said contact identifier, whereby said user and/or another user may discover said addressing option(s) to facilitate transmission of data toward said one or more network access device ( 14 - 20 ).
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