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Advantages of (Voice over IP) VoIP

Advantages of VOIP

Ubiquity

The IP standard is by far the world's most popular network protocol. It is developing fast and is accepted by every major vendor. Users can benefit from end-to-end connectivity to every data-networking device available, a tremendous amount of research from firms focused on IP, and a unique global addressing scheme which allows an IP device to address the entire network, regardless of size or location."

With more than 80 per cent of personal computers in business networks on a local area network (LAN), IP is an obvious transport of choice. It also seems to make sense to carry all forms of communication (data, voice, and video) over a common, ubiquitous medium.

Value Added Applications

Once an IP infrastructure is in place there is a seemingly unending number of add value applications that are available or being designed that are either far simpler than those enabled by regular telephony systems, or totally new applications like user registration that allows phone users to be identifiable and fully functional no matter which handset they're using.

Cost

For most large businesses, overhauling a PBX-based telecom infrastructure is a long-term investment decision. However, with telephony requirements becoming more demanding and new technology creating business advantage in shorter timeframes, IP telephony has become a more and more realistic alternative. And while cost projections will inevitably vary enormously from one company to another, most equipment vendors and IP telephony integration specialists would claim return on investment within one or two years.

Single Infrastructure

Putting the voice and data traffic on one set of wires instead of two also seems to make good commercial sense when compared to the cost of developing and supporting two separate infrastructures.
Scalabable
Traditional PABX (Private Automatic Branch Exchange) based phone systems come in many size ranges and it may be necessary periodically to scrap existing systems and replace hardware; this is not the case with VoIP systems.
Improve productivity
VoIP treats voice as if it were any other kind of data, so users can attach documents to voice messages or participate in virtual meetings using shared data and videoconferencing.
Flexibility
A Virtual Private Network (VPN) is an allocated amount of bandwidth on the public Internet where public access is prevented through encryption. If your company has its own VPN and combines it with VoIP, you can set up a fully functioning office anywhere there is a broadband connection
 
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