VoIP ("Voice over Internet Protocol") phone systems are not a recent innovation. They have been around for a while in common forms such as using the voice chat functionality in MSN, Google Talk, Yahoo Messenger, and even Skype. However, these are all proprietary systems. In other words, they don't talk (excuse the pun) nicely with each other.
The Session Initiation Protocol (or SIP for short) is the basis for a true VoIP solution since it plays well with others. With the wide choice of open source clients available, users don't have to both have to work with closed source clients in order to connect with each other.
In the spirit of the open source movement, VoIP connection and call costs based on SIP are far less to the end user than closed source or proprietary protocols. Furthermore, the end user has flexibility in choosing the ways they wish to make and receive calls either with software phones or actual SIP compatible handsets.
VoIP uses special compression to send and receive audio over an IP network. The end user can make phone calls via the Internet using applications freely available on their portable and desktop devices. Calls made over the Internet using the SIP protocol are not only significantly cheaper than traditional phone lines they are also cheaper than proprietary VoIP systems to a lesser degree.
VoIP works by converting analogue voice calls into data packets which are then digitally transmitted over the IP network provider. From cost-effective international calls to 3-way and conference calls, these are some of the benefits to using VoIP phone systems.
Getting started with using VoIP can be done in a number of ways. From hardware IP phones that connect directly to your broadband or local area network to software-based phones. The most cost-effective way to get connected is to use a soft-phone which uses your computer's hardware, requiring that it be turned on in order to work. Conversely, an IP phone connects directly to the Internet bypassing your computer which may take longer to set up at more cost.
VoIP phone systems generally offer more control and scalability over the administration of call costs. For example, a company can see at a glance which users are making high volume calls at particular times during the month. Due to the nature of VoIP services using SIP specifically, billing is usually itemised on an ongoing monthly basis and unlike traditional phone services there are no long contracts to get tied into.
When comparing traditional Public Switch Telephone Networks (PSTN's) with VoIP phone systems we find that you can have your own phone line at any location where the Internet is available. There is also the added benefit of always being able to keep the same phone number even whilst relocating your VoIP phone line elsewhere. Finally, in the long run call costs in particular represent a huge saving over time when switching to VoIP.
The Session Initiation Protocol (or SIP for short) is the basis for a true VoIP solution since it plays well with others. With the wide choice of open source clients available, users don't have to both have to work with closed source clients in order to connect with each other.
In the spirit of the open source movement, VoIP connection and call costs based on SIP are far less to the end user than closed source or proprietary protocols. Furthermore, the end user has flexibility in choosing the ways they wish to make and receive calls either with software phones or actual SIP compatible handsets.
VoIP uses special compression to send and receive audio over an IP network. The end user can make phone calls via the Internet using applications freely available on their portable and desktop devices. Calls made over the Internet using the SIP protocol are not only significantly cheaper than traditional phone lines they are also cheaper than proprietary VoIP systems to a lesser degree.
VoIP works by converting analogue voice calls into data packets which are then digitally transmitted over the IP network provider. From cost-effective international calls to 3-way and conference calls, these are some of the benefits to using VoIP phone systems.
Getting started with using VoIP can be done in a number of ways. From hardware IP phones that connect directly to your broadband or local area network to software-based phones. The most cost-effective way to get connected is to use a soft-phone which uses your computer's hardware, requiring that it be turned on in order to work. Conversely, an IP phone connects directly to the Internet bypassing your computer which may take longer to set up at more cost.
VoIP phone systems generally offer more control and scalability over the administration of call costs. For example, a company can see at a glance which users are making high volume calls at particular times during the month. Due to the nature of VoIP services using SIP specifically, billing is usually itemised on an ongoing monthly basis and unlike traditional phone services there are no long contracts to get tied into.
When comparing traditional Public Switch Telephone Networks (PSTN's) with VoIP phone systems we find that you can have your own phone line at any location where the Internet is available. There is also the added benefit of always being able to keep the same phone number even whilst relocating your VoIP phone line elsewhere. Finally, in the long run call costs in particular represent a huge saving over time when switching to VoIP.
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