29. A method of operating a transmitter-side terminal for supporting a translation-based communication service, the transmitter-side terminal comprising: receiving input of a text in a first language with voice-related characteristic information and a display unit having an input function, wherein the voice related characteristic information is used to generate a translation voice signal in a second language with a pitch and a tone similar to a voice signal in the first language; translating the text in the first language to a translation text in the second language by using a translation database stored in the transmitter-side terminal; and transmitting the translation text in the second language with the voice-related characteristic information.
30. The method of claim 29 , further comprising: receiving language configuration information of a receiver-side terminal; and generating the translation text in the second language according to the received language configuration information.