In {HEAD ~ the cellular telephone} having recognized {TAIL ~ the entry} of the numeric string and the pressing of the predetermined function key, a database is searched by using as a key the entered numeric string or a character string obtained by character conversion of the entered numeric string in accordance with the above mentioned assignment relationship, and e mail destination candidates associated with the numeric string or the character string are extracted and displayed on a display 
In { HEAD ~ the cellular telephone } having recognized { TAIL ~ the entry } of the numeric string and the pressing of the predetermined function key , a database is searched by using as a key the entered numeric string or a character string obtained by character conversion of the entered numeric string in accordance with the above mentioned assignment relationship , and e mail destination candidates associated with the numeric string or the character string are extracted and displayed on a display
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH