Patent ID: 7088994

Claim:
A method of providing directory information to a user of a telephony device, comprising: receiving, by the telephony device, a user input comprising a network address, wherein the telephony device is a mobile phone and the network address is a telephone number; determining, by the telephony device, whether a callee name associated with the network address is located in a local directory residing on the telephony device; and if the callee name is not located in the local directory, requesting, by the telephony device, the callee name from a remote directory not located on the telephony device, wherein the input telephone number is passed as a parameter in the request to the remote directory, and wherein the telephone number is used as a key to look up the callee name in the remote directory, wherein the remote directory comprises a plurality of entries, each comprising a name and associated telephone number, wherein requesting the callee name is performed in response to an explicit user-initiated command input to the telephony device, the explicit user-initiated command being separate from the step of receiving the user input comprising the network address.