Kanji
mosimosi hello
keitai mobile phone, cell phone
sumaho smart phone
denwabangoo telephone number
naisen extension
mêsseezi message
denwa ni deru answer the telehone
denwa suru make a phone call
dare ka ni denwa o kakeru to telephone somebody
dare ka kara denwa ga kakaru to receive a call from somebody
denwa o kiru hang up
rusu datta was out
syousyou omati kudasai please wait
omatase itasimasita thank you for waiting
renraku suru get in touch
kosyou suru break down
kosyou siterun desu it's that it's out of order