VoIP

Free VOIP Phone Calls - VOIP Technology

VoIP is a break through invention which lets you make free or very cheap local, long distance and international calls. You may have a few questions in your mind such as how VoIP works, what are the benefits of VoIP.

VoIP relationship with Computers and Networks.

Put VoIP aside for now and lets start learning about computer networking, you may have heard about computers, networks, switches and wireless networks. Computers communicate with each other via a set of copper wires, fiber optic cables and wireless spectrum waves.

Computer communication takes place in the form of data. For example if you are sending an email to someone that email is converted into data packets which are transmitted over the network of computers, switches and routers and when transmitted packets arrives at destination these are again converted back into email.

This whole process takes less than few milliseconds to complete. That is how a computer network communication takes place.

VoIP is very similar to computer data communication in nature therefore it is important that you understand how computer data network works.

How VoIP works and how a VoIP call is transmitted over data networks?

Now since we have discovered how computer data network functions therefore it will be easier for us to grasp how VoIP works. VoIP stands for (Voice over Internet Protocol), VoIP calls feel and sounds no different than a standard PSTN call. The only difference is that the VoIP calls are transmitted over computer data networks rather than PSTN exchanges.

When we make a VoIP call, a communication channel is established between caller and called party over IP (Internet Protocol) which runs on top of computer data networks. A telephony conversation that takes place over VoIP are converted into binary data packets streams in real time and transmitted over data network, when these data packets arrive at the destination these are again converted into standard telephony conversation. This whole process of voice conversion into data, transmission and data conversion into back voice conversation takes place within less than few milliseconds. That is how a VoIP is call is works over data networks. I hope that now you understand basics of how a VoIP call takes place.

What are speech codec's and what role codec plays in VoIP?

Speech codec play a vital role in VoIP and codec determines the quality and cost of the call. Let me explain you what exactly VoIP codec's are and how they work. You may have heard about data compression, or probably you have heard about air compressor which compresses a volume of air in enclosed container, VoIP codec's are no different than a air compressor.

Speech codec's compresses voice into data packets and decompresses it upon arrival at destination. Some VoIP codec's can compress huge amount of voice while maintaining QoS which means use this type of codec will cost less because it will consume just a fraction of data network. Some codec's are just not capable of encoding huge amount of voice they simply consume huge amount of data networks bandwidth hence the cost goes up.

Following is a list of VoIP codec's along with how much data network bandwidth they consume.

* AMR Codec

* BroadVoice Codec 16Kbps narrowband, and 32Kbps wideband

* GIPS Family - 13.3 Kbps and up

* GSM - 13 Kbps (full rate), 20ms frame size

* iLBC - 15Kbps,20ms frame size: 13.3 Kbps, 30ms frame size

* ITU G.711 - 64 Kbps, sample-based Also known as alaw/ulaw

* ITU G.722 - 48/56/64 Kbps ADPCM 7Khz audio bandwidth

* ITU G.722.1 - 24/32 Kbps 7Khz audio bandwidth (based on Polycom's SIREN codec)

* ITU G.722.1C - 32 Kbps, a Polycom extension, 14Khz audio bandwidth

* ITU G.722.2 - 6.6Kbps to 23.85Kbps. Also known as AMR-WB. CELP 7Khz audio bandwidth

* ITU G.723.1 - 5.3/6.3 Kbps, 30ms frame size

* ITU G.726 - 16/24/32/40 Kbps

* ITU G.728 - 16 Kbps

* ITU G.729 - 8 Kbps, 10ms frame size

* Speex - 2.15 to 44.2 Kbps

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Article Source: http://EzineArticles.com/3306615

skype and voip phone service which is better

VoIP Phone Service vs. Skype: Which Is Better for Your Busines

by Amanda DiSilvestro

The low cost of new VoIP phone systems is making many budget-conscious business owners consider making the switch from traditional landlines.

And for businesses that make a lot of long-distance or international calls, switching to an IP phone service might be a no-brainer.

VoIP Options

There are plenty of options for those shopping around for a VoIP provider. Perhaps the most well known provider on the market is Skype, which offers super-fast setup and the ability to communicate with other users for free. No special equipment is needed.

As tempting as it is to be lured in by the words “free service” though, be sure to consider the needs of your business. While Skype is a great supplement to a traditional landline, most experts would advise businesses not to make it their sole means of communication.

VoIP vs. Skype

Below we compare some of the basic services and capabilities of Skype versus other VoIP providers. Keep in mind that every provider offers different features — the table below is meant to be a broad overview of major differences between the two.

	VoIP	Skype
Quick setup		X
Requires special equipment	X
Flat monthly fee for unlimited incoming and outgoing conventional calls	X
Annual fee to receive conventional calls		X
Monthly or per-minute fee to call conventional phone numbers		X
Free basic service (unlimited web and video calls to other users)		X
Ability to use existing phone number	X
Ability to use regular phone to make calls	X
Requires Wi-Fi enabled or dual-mode phone to make conventional call		X
Call quality and reliability dependent on Internet connection	X	X
Ability to call 911 (for most providers)	X
Conference calling, voicemail, call forwarding, video calls, etc.	X	X

Other Factors to Consider

Additional things to keep in mind when deciding which service to use are:

Your ability to manage the system. Skype is more one-size-fits all, whereas most other VoIP providers will work with business owners on their specific needs.
The amount of customer support provided. Again, business owners do not get preferential treatment on Skype, whereas other providers do provide more hands-on technical assistance.

The bottom line is this: while Skype might offer dirt-cheap service and simple setup, other providers offer more specialized systems and superior technical support.

Do Your Homework

If you’re considering switching to a VoIP service, start your research by visiting our ResourceNation.com Business VoIP Providers page, where you can compare prices and available features for various VoIP service providers.

gainful features of voip internet phone service

Attractive Features of VoIP Phone Systems

by Gbravo

Voice over Internet Protocol (VoIP) is a universal term for the technologies involved in the transfer of voice communication over an IP network. For the most part, VoIP system users can make and receive calls just as they would from a traditional telephone network with only a home or business broadband internet connection. Here are eight features that make VoIP attractive to the average user:

Price: With a basic service package for a VoIP phone system, you are provided with unlimited local and long distance calling within the United States (some offer unlimited calls to Canada and selected countries within Europe and Asia) for a low flat rate.

One Network: Because VoIP systems use broadband connections you can run both your voice and data communications via one network which means you may be able to cut costs by getting rid of your traditional telephone connection.

Easy and Efficient: VoIP systems are very simple to use. For the most part, using a VoIP system is the same as using a traditional phone system—just pick up and dial. The main difference between a VoIP and a traditional phone connection is the way the data is sent. Since with a VoIP the data is sent via the internet, calls can be managed like data files on your computer as well as from a traditional hand phone set.

Features: Many of the same paid features that the traditional phone companies offer are free with many VoIP services, such as voicemail, speed dialing, call forwarding, automatic redial, caller ID, caller ID block, and conference calling, as well as many other convenient features that are not available with a traditional phone network connection, such as the ability to forward voicemail to email; the ability to send data versions of voicemail messages, and the ability to manage address books and contacts from your computer.

Adding Lines: By using a VoIP system, you are able to send out more than one telephone call over the same broadband internet connection which means that adding additional lines is simple and does not require an additional fee.

Fewer Location Restrictions: With a VoIP system, only a broadband internet connection is needed; therefore, you are able to work from anywhere there is a fast enough internet connection allowing you fewer restrictions on your choice of calling environments. Not only can you make calls from just about anywhere, you are also able to manage your VoIP system account from just about anywhere as well. This means, those attractive features I listed earlier are able to be used on the go and not only in your home or office.

Compatibility and Integration: Since VoIP uses one network, other internet services are compatible and integrate with your VoIP system, such as video conversation, message or data file exchange, internet gaming communication, and audio conferencing to name a few. Also as mentioned in the features, you can also manage your address books and client information through your VoIP account from any computer with broadband internet.

Maintenance: Overall, maintenance and troubleshooting are less complicated because of the simple fact that there are fewer devices to manage.

We have adapted our “on the go” lifestyle with our need for more efficient technology and the VoIP system is just one of the ways to make our lives simpler.

With the many attractive features of a VoIP system, it makes one wonder whether the traditional telephone service will soon become obsolete and instead we will all be conducting our communications on VoIP systems.

VoIP Voice Over Internet Protocol Phone Hosted PBX Phone

By John Steven
Affordable VoIP hosted PBX phone system for businesses provide excellent customer care services. VoIP hosted PBX phone system improves their business image with minimum investment.

With the support of affordable VoIP (Voice over Internet Protocol) hosted PBX phone system, small businesses and home office professionals can provide excellent customer care services and improve their business image with minimum investment.

Sophisticated and Affordable Communication System

By equipping your office with a VoIP hosted PBX phone system, your telecommunication and business expenses can be reduced considerably. Calls to local and international locations can be made at economic charges. Based on your business requirements, several extensions can be easily maintained from an existing telephone connection. Virtual phone numbers help you to widen your business presence without setting up physical offices in many places. Business locations can also be changed without changing existing telephone numbers.

Easy Call Management

This phone system is incorporated with sophisticated call management features such as auto attendant, call waiting, voice mail, find-me/follow-me call forwarding, voice to email, call conferencing, fax to email and caller ID.

The built-in auto attendant answers calls with recorded business messages and presents the callers with menu options like dial-by-name and dial-by-extension. Depending on the choice selected by the callers, calls are routed to appropriate extensions. The auto attendant easily manages several calls arriving together, performs quick call routing and eliminates the need for call answering personnel in your office.

With the advanced call forwarding facility of VoIP hosted PBX for businesses, official calls can be routed to personal phone numbers including cell numbers. This makes it possible for business functions to be administered from remote sites. The system minimizes chances of missing calls as unanswered calls are directed to the voicemail box where callers can leave voice messages.

Minimum Hardware Hassles

Due to its web interface, your business can utilize the functionalities of the VoIP hosted PBX without making huge investments on PBX hardware. The service providers maintain the required equipment at their site and offer your company PBX services using broadband Internet or telephone networks at affordable monthly rents.

Hosted [http://www.messagingservice.com/VoIP-PBX-system.htm]VoIP PBX systems come with a range of features including auto attendant, voice mail, fax mail etc. AccessDirect is a leading service provider of [http://www.messagingservice.com/]hosted PBX system.

Article Source: [http://EzineArticles.com/?Affordable-VoIP-Hosted-PBX-For-Businesses&id=4239796] Affordable VoIP Hosted PBX For Businesses

iphone apps app for voip internet phone

Best Voip Phone System Apps for your iPhone
by Gbravo

If you’re someone who always ends up having to shell out extra money for your monthly cell phone bill because 1,000 anytime minutes just isn’t enough, there’s a solution for you (and, don’t worry, it does not involve talking less). VoIP (voice over internet protocol) phone systems no longer only pertains to the world voip business phone systems, and its advantages have now become available for the iPhone. If you’re familiar with VoIP phones, then you already know how cost-effective they can be for those who have to make frequent long-distance phone calls. Such savings can now be applied to cell phone use, and it is estimated by one company that offers VoIP for iPhones that people may be able to save up to 80% by using a VoIP application on their cell phone (Mobile Dev & Design).

The iPhone has taken the capabilities of small business phone systems to a whole new level. Using the technology of a VoIP phone system (using Internet protocol to send and receive calls), users can now place long-distance or even international calls without having to worry about the charges. Internet phone systems, such as VoIP, are a much cheaper alternative to sending calls on your iPhone the traditional way – using your minutes.

VoIP phone system companies now offer applications you can download to your iPhone which will give it the capabilities of ip phone systems. There are many applications available, however, some are more favored over others. Here are our favorites:

Truphone has been given high ratings by such publications as The Times, The New York Times, and Stuff magazine. This application is favored, in particular, because it allows users to search their iPhone’s contact list. In addition, calls are very clear, and can be made and received without delay.

Fring allows you to stay in touch with contacts on multiple networks, such as Skype, AIM, and MSN. iCall can be completely integrated with your iPhone, and works with a Wi-Fi connection. If you are using Wi-Fi and receive a call, you can easily switch over to your iCall application and save your minutes. Papaya and PennyTel are also VoIP applications for your iPhone.

You also have the option of using web-based VoIP applications (which is kind of like using a hosted VoIP system in your office). Instead of downloading the application to your iPhone, you can simply log-in to your account online. JAJAH is one of the top web-applications, and looks like your iPhone’s dialing pad. Talkety, Raketu, and iPhoneGnome are also web-based.

RingFree was one of the first VoIP services for your iPhone, and allows you to make calls using any VoIP service provider you choose. This application also allows you to make calls through an office phone system or virtual pbx.

Now that you can use VoIP technology with your iPhone, ‘unlimited’ minutes has a whole new meaning. VoIP business phone systems have the capabilities to be even more mobile. The iPhone has taken softphone technology to the next level, allowing calls to be placed all over the world without having to pay the high cost. This is great for business travelers who need to be able to stay in-touch with co-workers or loved ones.

Now you have more money for important things, like downloading the latest hit song to be your ringtone.

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Source: http://www.resourcenation.com/blog/best-voip-phone-system-apps-for-your-iphone

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VoIP - Voice Over Internet Protocol Phone