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Does not permit two way communication
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How was the telephone in 1876 used?
The telephone was useful in 1876 for communicating information and news. The telephone switch was invented in 1876 which made it possible to create telephone exchanges. These telephone exchanges made it possible for people to contact other people with out having their phone hardwired to the other person's telephone.
How many telephone exchanges are in India?
34000
What were the letters on telephone dials originally used for?
telephone exchanges (operator offices)to route calls Adams would be eg. AD5 -1234- now we use #'s 235-1234 Northside " NO5-1234 etc
Can Telephone and electricity cable in same socket?
AC and telephone should be in separate boxes.
What exchange is 01792?
01792 is the area code for Swansea. The city and surrounding area are served by several different telephone exchanges for different areas and telephone companies.
What are private branch exchanges used for?
Private branch exchanges (PBXs) are used for internal and external voice traffic
What is a telephone system and what does it do?
A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private branch. A business telephone system differs from simply using a telephone with multiple lines in that the lines used are accessible from multiple telephones, or "stations" in the system, and that such a system often provides additional features related to call handling. Business telephone systems are often broadly classified into "key systems", "hybrid systems", and "private branch exchanges".
What is the main function of condonser?
Assuming you mean condenser, in an automobile ac system the condenser is used to condense vapor into liquid.
Where do you get ac to ac adapter with output 6v 300ma for your cordless phone for india?
Contact the manufacturer of the 'phone or visit a telephone retailer.
Why do business customers purchase private branch exchanges?
Private branch exchanges (PBXs) are used for internal and external voice traffic. Business customers purchase PBXs because it provides features on the line, and keeps call records on each individual line. It connects to the local telephone end office switch through shared trunks, thus reducing the number of telephone lines needed to supply dial tone to all of the employees in the company.
What are oil dag and aqua dag?
Never heard of aqua dag, however oil dag was a common term in the 60s for a heavy dark oil used to lubricate electro-mechanical equipment in Strowger telephone exchanges.
What are the wires for on telephone poles?
Quite variable according to local practice. May include AC power, telephone, and/or TV cable service.
