Patent ID: 6895428

Claim:
A method of storing an e-mail address within an Abbreviated Dialing Number (ADN) record of a Subscriber Identity Module (SIM) card, the ADN record including a plurality of fields having personal contact information relating to a contact stored in the ADN record, said method comprising the steps of: allocating a first number of bytes of memory space to a first field in the ADN record; storing an e-mail address of a contact in the first field in the ADN record; setting a flag in a second field in the ADN record indicating a presence of an e-mail address in the first field in the ADN record; allocating a third byte from said first number of bytes in the first field in the ADN record for identifying a length of the e-mail address stored in the field; wherein the second field in the ADN record comprises a Type of Number/Numbering Plan Identification (TON/NPI) field; and wherein an NPI portion of the TON/NPI field includes four binary bits, and wherein in the step of setting a flag in the second field in the ADN record indicating the presence of an e-mail address in the first field in the ADN record comprises the step of setting the NPI portion of the TON/NPI field equal to binary “1110”.