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Advantage And Disadvantage Of Isdn

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ISDN
ISDN means integrated services digital network.
Defenation
It is just a communicational standard used for transmitting video and data digital telephone lines or normal telephone wires. This standard support data transfer rates of 64 kbps. It is the initial high-speed internet service. [1]
ISDN internet service is simply a telephone-based network system that operates by a circuit switch, or dedicated line. It can transmit data and phone conversations digitally over normal telephone wires. This makes it both faster and of higher quality than dial-up internet service.[2]
Why isdn developed
Before ISDN, it wasn't easy for ordinary telephone lines to offer fast transportation over just one line. ISDN was made to perform on digital telephone …show more content…

10.Automatic Call Distribution, Queue and Agents Handling and Statistics. 11.Contacts and directories management . 12.Music on hold server and audio files manager. [13]
Advantages of IP Telephony
Decreased costs :- As the investment for VoIP service is maximized, the University of Florida will realize a significant cost savings in its total costs of ownership and operation. The immediate cost savings benefits will include:
1.Single cable and backbone infrastructure supporting both Voice and Data 2.Decreased cost of telephone moves 3.Reduced Centrex services line costs.
Long distance savings - As IP Telephony deployment matures across the country and into various business enterprises, there will be some savings in long distance services, especially for our international calling users.
Mobility : - When someone moves offices today, there is a corresponding change in the cabling path to reach their telephone set in its new location. With IP Telephony, in many cases you will be able to simply move your phone from one place to another. Without any additional changes your telephone number will move with the telephone. This is part of the expected significant savings the University will realize with an enterprise wide voice / communications

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