Disclosed are an electronic device (202) and method of an electronic device and a method of a network for transmitting, receiving and processing a user-accessible contact information data entry in a contact information storage medium (214). User-accessible contact information data, such as a telephone book entry, is transmitted by a sender's device to the mobile communication device (202) with particular restrictions on the entry that trigger a processor (212) to carry out instructions (226, 224, 222) to restrict annunciation, transmission, and/or modification of the telephone book entry and also to trigger instructions (218) to delete all or part of the telephone book entry upon fulfillment of an expiration criterion specified by the sender's device.