Today almost all customer who hold a mobile telephone device don't prefer a settled telephone.
So, it's become difficult to keep up the facilities for the settled telephones for us.
Salesman :Finally our telephone company start to make merchandise of the last goods!
Hana :Last goods? It may be a telegram attached a joss stick.Don't you?
Salesman :To make full use of our telephonic facilities we merchandise electricity
in DC 48 volts.
Hana :It's useless for us
