Rock River Internet
VoIP & Telephony products and systems

FAQ

What is VoIP?
VoIP stands for Voice Over IP. IP stands for Internet Protocol and is the predominant standard for data transport on a local area network and on the Internet today. VoIP phone systems convert voice to data packets and back again.

The PSTN (Public Switched Telephone Network) is the conventional analog network that Alexander Graham Bell started building in 1875.

Why aren't VoIP calls free?
There are several types of VoIP calls.
  • VoIP to VoIP without touching the Internet. These are free calls and usually stay on your local area network. Examples are calling local extensions at your business. These calls are free as they never touch the PSTN.
  • VoIP to VoIP across the Internet. These are usually set up as local extensions to branch offices. Or they are using
  • outbound - VoIP to PSTN or inbound - PSTN to VoIP. These will cost money.
If you dial a conventional phone number then (usually) the call must touch the PSTN. If a call touches the PSTN then the gatekeepers must be paid. In our part of the country the gatekeeper is either AT&T or Verizon. They are the regulated companies that have maintained the current PSTN for more than 100 years. (There are some exceptions to this.)
How does VoIP work?
http://electronics.howstuffworks.com/ip-telephony.htm
How is the sound quality?
Since VoIP is purely digital, you don't have volume problems that occur with analog phone service. A good example is with conference calls. With a conventional analog based system, every call that is added to the conference drops in volume. With a VoIP based conference, all calls to the conference maintain their original volume.

If VoIP calls traverse the Internet, the sound quality can be affected by poor quality Internet connections which might have latency and jitter problems. In our several years of testing and experience, VoIP calls across the Internet usually sound better than cell phone calls but slightly worse than conventional phone calls.
How reliable is VoIP?
A business VoIP phone system is as reliable as the company behind it. If properly engineered it will meet or exceed most conventional pbx systems and at a lower cost.
Why go VoIP?
With proper design and engineering, a VoIP based business phone system will sound as good or better than a conventional pbx and with more flexibility and features. A VoIP based system can easily be designed to use alternative call routes in case of a cable cut or failure. And the right system will save your business money.
Can I keep my phone number?
Yes. We can port your phone number to our system, however there may be charges for this service.
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