• What is VOIP
  • Why Choose YSF
  • Access Control
  • Telephone Adapters
  • PABX

Voice over IP(VoIP) has been popularized by applications such as Skype, which allow people to talk to each other via the Internet.
In the modern office, VoIP solutions can replace the traditional (and often very costly) switchboard solution. There are many possible permutations and certainly not a one size supposedly fits all solution, but here are some of the components that we would recommend for a typical VoIP implementation.

VoIP Server
A computer replaces the old switchboard and all the logic of a phone network is handled by software on this computer. This has many implications, such as no limit on the number of extensions supported by the switchboard, easily extensible (upgradeable) and sophisticated routing tables such as least cost calling.

IP Phones
There are various IP phones, from simple desktop solutions to sophisticated phone operator consoles. Each of these has its own advantages and there is no limits or requirements for which types are needed in any particular implementation. In fact, it is not even necessary to use IP phones because any existing analog phones could be used instead by using a special analog/IP switch (gateway).
Using VoIP, an enterprise positions a "VoIP device" at a gateway. The gateway receives packetized voice transmissions from users within the company and then routes them to other parts of its intranet (local area or wide area network) or, using a T-carrier system or E-carrier interface, sends them over the public switched telephone network.

There are various gateways available to connect your VoIP system to analog phones, analog phone lines or Internet Voice service providers. With this last option, you could dial from your phone at your office to dial anywhere in the world, often much cheaper than normal phone call costs.


Usually, no extra cabling is required. The system runs on your existing computer network, which also makes moving phones from one location to another extremely simple. The only time you might need is cabling is for locations where no computer networking exists. Of course, if you already have analog phone cables, using a Analog/IP switch and analog phones you can still use this cabling.

We are passionate supporters of VoIP technology, and more specifically, the open source revolution behind VoIP. With technologies such as Asterisk and Digium, combined with our comprehensive range of IP Phones and gateways, we are at the forefront of the VoIP revolution.  We are authorized distributors for leading brands such as Grandstream, Digium, SNOM and Linksys, whether it’s a complete VoIP PABX system that you’re looking for, or just a cheap long distance phone call; we have the products, and the technical support to make it possible. 



Why VoIP?

  • Save money by lowering phone bills
  • Save on National and International calling
  • Works on new or existing cables or DSL broadband connections
  • High quality, clear sounding calls while surfing the net.
  • Additional services such as call waiting, voicemail, caller ID And IVR

Access Control
One of the latest trends in the VoIP industry has been the use of IP Doorphones, otherwise known as Intercom systems. These devices can link directly into your VoIP system, giving you complete control of your intercom system, directly from any VoIP phone in your company. Some devices even have built in camera devices, for optimum point of entry security applications.

Analogue Telephone Adapters

An Analogue Telephone Adapter, otherwise known as ATA, is a great solution for analogue applications in a Voice over IP network. The ATAs can be used for standard analogue devices such as analogue telephones or FAX machines. This saves you the hassle of adding extra analogue interface cards into your VoIP server, due to the fact that you now have the option of extending the analogue capability right up to the handset.

VoIP Stand Alone PABX

The Open-Source VoIP revolution has changed the way that we handle our business communications in great leaps and bounds. There are some concerns however, regarding your entire telephone system being left in the hands of a standard Desktop PC, with the relative Open-Source software loaded. A few vendors have found the solution to this worry, and have taken it upon themselves to create a solid state (no moving parts) VoIP server  that has all of the software and features of a standard PABX system pre-loaded. This ensures maximum reliability for your entire VoIP infrastructure.







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