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What is VoIP? Why should I use it in my business?

VoIP (Voice over Internet Protocol) is a way to make phone calls using the Internet, rather than using conventional telephones and lines. With Sabrefin Solutions' system you can make calls to and receive calls from other VoIP users, mobile phone users, as well as people with ordinary landlines. The integration between the public telephone network and VoIP is completely seamless and totally undetectable to callers.

Just like a computer modem converts digital signals from a PC into analogue (audio) signals for transmission over a phone line, a VoIP-enabled phone or VoIP adaptor converts your voice into digital signals for transmission over the internet. If you make a call to another VoIP phone, the opposite process occurs at the other end, and your voice emerges intact from the ether. If you make a call to a mobile phone or landline, Sabrefin Solutions' gateway decodes the call and sends it on as an ordinary voice call to the public telephone network.


The diagram shows in simple form how calls are routed. User A dials the number for user B. The VoIP telephone converts the voice to digital signals, and thereafter the voice traffic passes directly over the internet between A and B.

When A calls C, who has a conventional landline or mobile, the VoIP telephone converts the voice to digital signals as before. The routing service looks up the destination and finds it is a public telephone network number. The call is routed via the Sabrefin Solutions gateway into the public network as a normal call.

Why Use It?

The most immediate reason is to cut your business telephony costs. All calls you make to other VoIP phones are free, and calls to other lines are competitively priced.

The second reason is to get a fully-featured PBX system for your business for a very modest rental cost. With every VoIP number, you get ten extensions on your virtual PBX, with all the facilities you would expect from a sophisticated business telephone system: voice menus, extensions for specific people, hunt groups, call forwarding, etc. All this is simply set up from an online control panel, which also gives you access to detailed call statistics and billing information.

The third advantage is that you can configure your system to give whatever impression you want to customers. For example: If you have associates or employees in other areas of the UK or even abroad, you can give them all extensions on the same external number, or even their own external numbers with the same area code as your head office. No-one need know whether you have city centre offices or a virtual office!

Small to medium-sized businesses with several employees, and especially those with distributed offices and teleworkers, are likely to get the maximum benefit from our system, which has been carefully designed to provide all the features that you will need in a professional package.

You can also assign one or more external numbers that can be mapped to a voice menu so the caller can chose an internal extension, or directly to an internal extension, hunt group, or diversion to another number. Calls that go unanswered can either be forwarded to another number, or a voicemail can be recorded.