Long distance telephone calls is used before VoIP.
Voip was used on the ASPERNET between some users before the creation of the modern day internet. This was further developed by a small number of users before Alon Cohen, co-founder of VocalTec, introduced the first VOIP program. Whilst other companies had ongoing projects that further utilized VOIP, it was Nokia that first incorporated a VOIP client into handsets.
VoIP cards are calling cards. They are used for communicating with those who have the VoIP system. There are a range of different cards that are available to purchase depending on the circumstance.
VoIP server has no radius since it is based via internet. As long as there is a connection of internet VoIP can be used too.
Yes. VoIP is also known as broadband phone.
VoIP is used to transmit a voice signal via the internet. If you need such capability (internet phone, for example) then VoIP is required.
A Voice over Internet Protocol (VoIP) adapter is used to connect a land line phone to high speed internet service. Vonage and VoIP Supply are two popular sources of VoIP adapters.
Via Talk is often used for communicating over the internet via the VoIP protocol. You can get more information about VoIP online at the Wikipedia website.
The similar technologies that works like voip is the cellular phone. When there is signal , cell phone can make a call, same as VoIP when there is internet VoIP phones can be used too. They are both portable, accessible, and can be monthly bill or prepaid payment basis.
In order to become a VoIP reseller you will need to have the knowledge of how VoIP works and what VoIP are currently used. You will also have to decide the application you wish to sell and once that is done you will have to decide which server you would want to resell. When all of that is completed you can contact the companies that offer the VoIP service and inquire directly about becoming a salesperson.
Session Initiation Protocol (SIP) is the most commonly used VoIP signalling protocol. Due to its scalability, cross-compatibility and open nature, SIP has become the protocol of choice for VoIP signalling. H.323 is another commonly used protocol.
Theoretically - yes. The difference is that VoIP is used over the internet, whereas standard telephony is connected directly to the phone network. The main difference - is that VoIP calls are usually free !
Yes there are companies such as vonage that use voip. This is a great alternative solution to regular home phone services. Voip solutions usually require that you have high speed internet.