Patent ID: 7653049
Filing Date: 2010-01-26
Classification: H04M

Abstract:
1. An IP (Internet Protocol) telephone apparatus connected to an ENUM (Telephone Number Mapping) server, the ENUM server storing a NAPTR (Naming Authority Pointer) resource record including a plurality of available protocols among which one is selected and utilized for transmitting a data file, of another IP telephone apparatus, the IP telephone apparatus comprising: a memory slot configured to receive a memory card, the memory card being insertable into the memory slot, the memory card being configured to store a data file; a file transmitter configured to transmit the data file via an IP network based on a predetermined protocol, during a call with the another IP telephone apparatus, by alternating transmission of data in the data file to the another IP telephone apparatus and exchange of voice packets for the call with the another IP telephone apparatus; a file transfer button; and a controller configured to: wherein the predetermined protocol for transmitting the data file is selected from the plurality of available protocols and transmission of the data file is initiated when the file transfer button is pressed during the call with the another IP telephone apparatus.