There are many topics about telephone. Whether small business telephone systems, virtual PBX phone system, etc. But check these entries in Wikipedia: http://en.wikipedia.org/wiki/Private_branch_exchange http://en.wikipedia.org/wiki/Telephone For some telephone services information check also this link: http://www.ringcentral.co.uk/
Telephone books are available in all postal offices
no not at all
because the wire telephone has wire in it Answer 2 Well, almost all telephones used today are electronic devices, including mobile phone, wire telephone and ip telephone. Wire telephone is just a sub branch of electronic telephone.
it was important for people to my a telephone because they wouldn't have to ride all the way to the person's house then talk.With the telephone you don't have to do that.
Almost all banks these days offer telephone banking. Ex: In India we have telephone banking options for all leading banks like SBI, ICICI, HDFC etc
zero
Use either a paper directory, an on-line service, a telephone operator - or all three !
how we use Public switched telephone networks to carry all our digital contents
Yes a telephone directory is a telephone book. Which includes listings of all the numbers of people in a certain area. I myself would consider a telephone directory any list or book that includes a list of people and phone numbers that are in a certain area.
False
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Absolutely ! It takes a little time and effort to split the telephone into its components - but all the plastic casing can be recycled, as can the electronics.