Voip actually has their own personal website online that will guide you through everything you need to know about Voip; such as service providers and what all they exactly have to offer.
Yes you can use it but still you need to subscribe voip service from VoIP service provider.
You do not need to know much about computers to use VoIP. What you will need is some basic networking skills, which are very easy to learn. Most VoIP providers include installation instructions with a router when you buy their services. The router only needs to be connected between the modem and computer. If it is a soft-phone (software) then yes, you will need some computer knowledge to use it.
You need a VoIP modem or a computer to connect your phone and accessed your VoIP Server. Aditionally you also require an ATA adapter.
You may need to change your VoIP company, update the driver for your VoIP modem, or may need to purchase additional bandwidth through your Internet service provider. In some cases, you may need to actually replace your phone instead.
You need to install a VoIP phone system with supported fax feature.
It is possible to use VOIP with a computer that has a microphone. You can also use specialized VOIP phones or adapters which allow your regular phones to use VOIP. The exact details depend on the different providers.
When setting up a VoIP system, know that each digital phone or ATA must be programmed with a phone number from the ____. Answer: VoIP provider
VoIP is all over the world. You can subscribe VoIP services from other country through internet. You can have some VoIP calls for free, apparently you need to spare some of your time to listen their phone advertisement then after you can make internationals.
ask your reseller :)
Since VoIP is hosted by providers so there's no need to worry about VoIP security. Read some online reviews here www.pbx101.com
The first website that popped up was evaphone.com which says it can make free voip calls. I honestly do not know what a voip call is but just from browsing the site, it seemed like it was legitimate