What is VoIP and how does it work?
VoIP means in principle the call via a computer network. In contrast to a traditional telephone for VoIP is not directly transmitted the language, but sent data packets or IP packets through the network.
The transmission quality of these data packets simultaneously depends on several factors:
* how much bandwidth is used
* whether a "point to point" there is delay
* and the loss rate of packets.
The VoIP technology has extremely developed, the call quality of VoIP calls today is higher than a conventional analog telephone line.
With VoIP, the voice over a microphone is included analog and converted into digital signals. These will be sent via different routes to the receiver. There, the digital signals to land in a buffer, a converter reads the data back from analog.
A connection between a landline and a VoIP phone needs a network computer, called the Gateway. This network computer is connected between the computer network and telephone line and can signals emanating from these two points, "translate" for each other.
Why VoIP is so cheap?
Free market economy and stimulate competition in the case of the VoIP provider's business. The telephone companies are often undercut each other in order to wrest market share of the other company.
A comparison of VoIP providers but you should pay attention not only on prices, but especially on service and accessibility. rather an established provider with a good all-round service as a cheaper provider, which may have a limited supply-rich market, "survival" particularly applies.
It should be noted that most VoIP providers offer only prepaid method. This means you pay your minutes in advance. Payment methods are common with credit card or by bank transfer.
Possibilities of using VoIP
VoIP terminal
A VoIP phone is the most convenient solution. This phone is directly connected to your ADSL connection and offers several "bonus" features. You can also rent your own local phone number of available locations worldwide and are available for local customers in this local number.
VoIP via call-through (Pre-Selection)
Interestingly, this is for those who can cheap phone calls with her cell phone or house phone with pre-selection function in the Spanish fixed-line. So users have, for example, a fixed flat rate or an option where they can reach a Spanish landline rates. Call2Blue for this function has a free dial-in number!
In the case of a fixed flat rate falling only the cost of the transfer. So you can eg min from 2.1 cents /. in the German fixed network or from about 20ct./min. calls to all German mobile networks.
VoIP for business, VoIP in the Business
Especially companies and call centers benefit from the additional features that a VoIP system or a virtual server offers VoIP. Besides the considerable reduction of operational costs, these phone systems can:
* Call forwarding
* Team work, conferences
* Announcements before answering
* Night
* Voice mail
* Fax to Email
* call through, dial into your own Unternemen
* callback
* CTI - Computer Telephony Integration
* Group Call
* Hold
* Voice Recording
* Music on Hold
Together with selected phones for professional use, such as the Snom range, this is for international companies and enterprises the most convenient way to call cheap.
The transmission quality of these data packets simultaneously depends on several factors:
* how much bandwidth is used
* whether a "point to point" there is delay
* and the loss rate of packets.
The VoIP technology has extremely developed, the call quality of VoIP calls today is higher than a conventional analog telephone line.
With VoIP, the voice over a microphone is included analog and converted into digital signals. These will be sent via different routes to the receiver. There, the digital signals to land in a buffer, a converter reads the data back from analog.
A connection between a landline and a VoIP phone needs a network computer, called the Gateway. This network computer is connected between the computer network and telephone line and can signals emanating from these two points, "translate" for each other.
Why VoIP is so cheap?
Free market economy and stimulate competition in the case of the VoIP provider's business. The telephone companies are often undercut each other in order to wrest market share of the other company.
A comparison of VoIP providers but you should pay attention not only on prices, but especially on service and accessibility. rather an established provider with a good all-round service as a cheaper provider, which may have a limited supply-rich market, "survival" particularly applies.
It should be noted that most VoIP providers offer only prepaid method. This means you pay your minutes in advance. Payment methods are common with credit card or by bank transfer.
Possibilities of using VoIP
VoIP terminal
A VoIP phone is the most convenient solution. This phone is directly connected to your ADSL connection and offers several "bonus" features. You can also rent your own local phone number of available locations worldwide and are available for local customers in this local number.
VoIP via call-through (Pre-Selection)
Interestingly, this is for those who can cheap phone calls with her cell phone or house phone with pre-selection function in the Spanish fixed-line. So users have, for example, a fixed flat rate or an option where they can reach a Spanish landline rates. Call2Blue for this function has a free dial-in number!
In the case of a fixed flat rate falling only the cost of the transfer. So you can eg min from 2.1 cents /. in the German fixed network or from about 20ct./min. calls to all German mobile networks.
VoIP for business, VoIP in the Business
Especially companies and call centers benefit from the additional features that a VoIP system or a virtual server offers VoIP. Besides the considerable reduction of operational costs, these phone systems can:
* Call forwarding
* Team work, conferences
* Announcements before answering
* Night
* Voice mail
* Fax to Email
* call through, dial into your own Unternemen
* callback
* CTI - Computer Telephony Integration
* Group Call
* Hold
* Voice Recording
* Music on Hold
Together with selected phones for professional use, such as the Snom range, this is for international companies and enterprises the most convenient way to call cheap.