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address book Telecom Definition
A typical feature of e-mail systems is the ability to create personal and corporate address books, perhaps importing them from other applications, for use in addressing outgoing mail.Address books typically provide links to a personal contact list that contains greater detail about each individual, including detailed contact information and free-form comments. E-mail systems also may support searches of Lightweight Directory Access Protocol (LDAP) Internet directories. See also e-mail and LDAP.