Answer : When you are using a PSTN line, you are charged for the time you are connected to that carriers network. The longer you stay connected, the more that you pay. With VoIP you are using either a public or private network and thus do not have any time related call charges. In addition, VoIP can be used to connect more than two people for a call, allowing you to talk to many people at the same time.

Ans: When you are using PSTN line, you typically pay for time used to a PSTN line manager company: more time you stay at phone and more you'll pay. In addition you couldn't talk with other that one person at a time. In opposite with VoIP mechanism you can talk all the time with every person you want (the needed is that other person is also connected to Internet at the same time), as far as you want (money independent) and, in addition, you can talk with many people at the same time. See similar questions...

Some VoIP services offer features and services that are not available with a traditional phone, or are available but only for an additional fee. You may also be able to avoid paying for both a broadband connection and a traditional telephone line. See similar questions...

Probably the biggest advantage of a VoIP phone service is the cost savings over a traditional phone service. These savings can be substantial, depending on the Service Provider and Plan you choose, and your normal phone usage. See similar questions...

Yes. You can have conferences running from VoIP and PSTN connections. For example, if your business has an internal VoIP network but standard incoming PSTN lines then conferences can be hosted witin internal departments over VoIP and externally over PSTN. See similar questions...

There are three main advantages of using Metastorage over traditional development methods that are less automated: Metastorage is capable of generating code from your component model definition in just a few seconds. It would take days or weeks to write, test and debug equivalent code manually by a human developer. This is very important to reduce the time to market your software products, especially if they are medium or large size projects. See similar questions...

Yes. VoIP users can definitely make and receive calls to/from PSTN lines. Any type of call (e.g. local, long distance, international, etc.) is possible. For this to be true though, however, VoIP user need to register with a Service Provider(SP). The SP provides the bridge between PSTN and VoIP. See "What is a VoIP Service Provider?" FAQ below. See similar questions...

VOIP is much more reliable than an ordinary land line because of the structure of the Internet. If a particular link is down, your voice is sent through another available link unlike conventional telephony. See similar questions...

inherent limitation with the PSTN is that intelligence resides in telephone company Central Offices (CO) and corporate PBX's to. The technology in those systems is highly reliable but changes are slow and expensive to make. In contrast, IP architecture uses networks of servers and routers that are rapidly escalating in power and frequent introductions of new software that offers new functionality and features. See similar questions...

One of the advantages of VoIP is that digital phone offers many additional features that a traditional phone is not equipped to offer. If you have a broadband internet connection, there is no need to pay the additional cost for a line just to make phone calls. A second advantage to VoIP is that you can talk to people around the world for as long as you want if they have an Internet connection. Also you can talk with multiple people at the same time without any additional cost. See similar questions...

VoIP phone service has gained attention primarily for its affordability and unique features which are not offered by most traditional phone companies. VoIP users typically experience significant cost savings on their monthly phone bills and enjoy innovative features such as electronic voice mail, extra (virtual) numbers, online phone logs, multi-party calls and call forwarding to a second household phone or office phone. See similar questions...