Today average customer uses Voice over internet protocol (VoIP) which is latest trend in communication industry. The technology is rapidly advancing because all telecommunication product companies are now investing fund to have more improved VoIP products and services.
This year the VOIP market has picked up. Many corporate have started using VoIP and have realized a large savings of 52-percent or more off their phone bills. Use of wireless VoIP helped hospitals to reduce cost of mobile phones. Technologically VoIP is better than pagers and hence it is getting popular in nursing homes and hospitals.
What are the disadvantages of Voice over Internet Protocol?
VoIP is becoming very popular to business houses but it is still not very popular to residential segment. The qualities of VoIP services are inferior to the quality of call in regular telephone technology due to various reasons.
VOIP technology requires a large amount of data to be compressed and transmitted in a packet format, then uncompressed and delivered, all in a relatively small amount of time. This digitization of analog voice signals takes too long and the callers experience either echo or over-talk.
Regular phone calls function with a delay of no more than ten( 10) milliseconds whereas in the case VOIP the delay is up to 400 milliseconds, meaning that the callers won’t hear each other fast enough to make the conversation flow easily. Due to this delay, either callers will hear themselves talking or they will start talking again before they have heard the other person reply. It is true that this delay problem does not occur for each call.
The disadvantages of VOIP are usually acceptable if the callers are using a free service and the calls are for personal in nature. The degradation of voice quality is not acceptable to corporate houses. Apart from delay in voice conversation, IT security network like firewall sometimes failed to route a VOIP call once it is received.
Moreover, if several people use VoIP, bandwidth utilization also increases. Excess use of bandwidth also increases the infrastructural cost.
By: Arindam Chattopadhyaya
Posts Tagged ‘Analog Voice’
Challenges of VOIP in 2007
March 16th, 2010VoIP Providers – How To Choose One
March 5th, 2010
When you’ve made the decision to move to VoIP phone, you’ll need to select a VoIP provider. The most well-known is Vonage, largely because of their aggressive advertising campaign. There are, however, several other VoIP providers that you should consider. A large marketing campaign does not guarantee good service.
Vonage is your basic VoIP phone service, with the emphasis on the phone. For a monthly charge, they send you a device to hook up to your phone that does two things. First, it digitizes your analog voice, a must for VoIP usage. Second, it initiates an internet link that runs through your DSL or cable broadband hookup. VoIP-specific phones are perfect to use on Vonage service, and you can use them wirelessly.
You get your local and long-distance phone service for the monthly flat rate, and also a number of services like three-way calling and call forwarding, which few people use. In some plans, you do pay for outgoing calls after a point, but the number of minutes you get before reaching that break point is pretty generous.
Skype is a very different sort of VoIP provider. It started as primarily a computer-based, not phone-based VoIP, and most people originally used headphones with their ordinary computer to access a Skype account. You can get Skype phones today that run through your computer, but most of Skype’s services are more web-friendly.
In addition to phone service, Skype has robust online and computer-based communications technology like chat and user lookups. But the outstanding feature of Skype is the price. If you’re using it to call directly to another Skype user, anywhere in the world, it’s free. It’s also the easiest VoIP service to take with you; if you have a Skype account, you can access it from your computer or any Skype-enabled computer, anywhere in the world.
Lingo is a new entry to the VoIP world, and is ascendant primarily because while it offers Vonage-style services, it also offers dirt-cheap rates. Vonage focuses primarily on the United States, Canada, and Mexico; Lingo’s area of expertise appears to be Asia and Western Europe, where it offers either unlimited calling or a robust calling plan. Unfortunately, they don’t seem to have worked out all their bugs, and Lingo does not have a stable calling platform yet.
AT&T CallVantage is another new entry, though it’s from an old company. They, too, are based on similar technology to that Vonage uses, with devices that hook up to your phone et al. Unlike Lingo, AT&T offers excellent quality service, as one might expect. At one point, AT&T had overly-complicated technology for hooking up your VoIP service, but they have improved and now aren’t much worse than Vonage.
No matter how good your VoIP provider is, your telephone stability and reliability when using this service is limited by your high-speed internet connection. If the power goes out, no phone. If your internet service is interrupted for any reason, no phone. If you are confident in your cellular service and aren’t worried about this, that shouldn’t be a problem, but it is something you must consider when you choose your VoIP service.
The bottom line is not to choose VOIP service based on price alone. Look at the features and determine how important that is to you and how often you will use it. Our web site features our Editor’s Choice Best Pick for the best VOIP service available based on a wide range of criteria.
By: Jon Arnold
Let The Wave VoIP Technology Sweep Away Your Communication Costs
December 28th, 2009
“Make telephone calls anywhere in the world absolutely free of charge.”
Does this sound as an exaggerated claim? A promotional gimmick?
Well, today, it is actually possible to talk to your near and dear/ your customers and business associates absolutely free (or with a nominal calling charge). With the latest VoIP technology sweeping the arena of telephony, talking free of cost is no longer a long-cherished dream. It is a hardcore reality!
VoIP is indeed a revolutionary technology that will eventually change the face of the existing telephony system.
What is VoIP?
VoIP (Voice over Internet Protocol) is a technology that is used to transmit voice or audio files over the Internet via a packet-switched network. The voice/audio files can be received by:
a computer a VoIP phone a standard telephone
The VoIP technology enables the transmission of voice/audio data as digital data over the Internet.
A number of practical applications based on the VoIP technology are gaining popularity among people as a means of economical communication. They are:
VoIP phones dedicated instruments to make calls over the Internet ATA sets telephone-like boxes that connect to a computer and convert the analog voice data into digital signals computer to computer calls need a computer system, headsets and Internet connection
VoIP phones are slowly gaining foothold in the market due to their efficiency in meeting the financial and infrastructure needs of corporate houses. These phones are also known as ‘broadband phones’ as they can be used to make calls over the high-speed Internet connection.
A VoIP phone converts voice data into digital data so that the data may be transmitted over the Internet. You need to connect the phone to a computer to enable voice communication.
VoIP phones look just like the standard telephones with the cradle, the buttons and the handset. So, you can make calls in the usual way…but with better sound quality and in an economical manner!
By: Dennis Jaylon