Not in all cases - but it certainly can help.

They're made using plastic injection moulding.

There are a number of online retailers that sell telephone batteries including, for example, Radioshack and Amazon. It is also possible to purchase telephone batteries through manufacturer web pages in many cases.

A public callbox in the US is called a telephone booth. In some cases, it called a telephone box or even a telephone kiosk. However, a phone booth is the common terminology used in the US.

Because the Hindi language was developed before the advent of what is known in the Western World as "technology", there are many words which have no purely Hindi equivalent. In those cases, the pronunciation used by the Culture the word is taken from is used. "Telephone" is one such word which has no Hindi equivalent, therefor in Hindi the word for "telephone" is "telephone".