Professionals who value giving immediate response to their clients or wish instant follow ups, for them telephony will always hold a strong place for the business interaction. New modes of communication like fax, emails etc might be popular but they do not assure immediacy and proficient connectivity. In order to grow business it is essential to have personal contact so that people can grow their business relationships as well. In last two decades the field of communication has experienced many revolutionary changes, for instance electronic mail has made sending a message to multiple recipients so fast and easy. It is just a matter of a click. On the other hand fax can deliver your documents anywhere in the world instantaneously. But none could replace the high end value that a live conversation provides. A personal connect usually leads to customer constancy.