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The categories of business telephone systems can be broadly divided in to three: KSU-Less phones, Private Branch Exchange (PBX) systems and Key systems. Your choice of system will depend on your requirement of extensions and …

Telecommunication service providers, also known as telecomm service providers, or simply communication service providers, are those companies or individuals, as the case may be, that provide customers with telecommunication systems. Be the first to like.

In the past, letters were used for communication purposes. But, it was a rather lengthy process and there was no guarantee that the message would reach across. With the importance of communication being realised, technology …