Patent ID: 7747282
Filing Date: 2010-06-29
Classification: H04M

Abstract:
1. A mobile phone, comprising: a nonvolatile memory; an SIM card; at least one electronic telephone directory, one of the at least one of the electronic telephone directory being stored in a memory of the SIM card and another of the at least one electronic telephone directory, if applicable, being stored in the non volatile memory, a number of attributes including telephone numbers and names of the at least one telephone directory being prescribed by the SIM card; and at least one database stored in the nonvolatile memory and, each of the at least one database being respectively assigned to precisely one of the at least one electronic telephone directory; wherein each entry of a telephone directory is assigned to a corresponding database entry having a data field of variable size with respect to a number of additional attributes assigned to the telephone directory entry; wherein the data field of a database entry contains the additional attributes of the telephone number of the corresponding telephone directory; and wherein when an entry in a particular telephone directory is accessed, the mobile phone automatically performs a test to determine whether a database corresponding to the particular telephone directory is stored in the nonvolatile memory.