These services allow for teleconferencing, and call centers to be used, and mobile as well. Anyone using the service can access it through any internet connection, no matter how far from the original installation they may be. Multiple users can access at the same time, and some services can integrate with web cam devices to allow for video conferencing as well.
There are many software applications to choose from, from Asterisk to Skype, all with unique features and differing price ranges. Selecting the right service will involve finding out the VPS service limitations and capabilities. The second factor is the capabilities of the VOIP service, and what features and options your business will need to run efficiently.
An Asterisk VPS or dedicated server will need to be used, as many of these software applications will not run on shared server hosting. The root files may need to be accessed to download the full versions of the software, depending upon which is chosen. Shared hosting generally does not allow this access. VPS or dedicated servers are the only types that will allow the flexibility and function that will be needed to run any VOIP software, and the many other applications needed.
In some cases, setting up a VPS devoted entirely to VOIP may be the right way to go, depending on how active the service will be. For normal small business use, it will probably not be needed, but for the larger companies it could make good sense. Many of the daily telephone applications used by the larger companies can be handled well with these VOIP applications, from standard customer service to conference calling, a VOIP can handle all these needs, from any location that has an internet connection.
The choice of programs and software is varied, and research into the ones best suited for the usage it will get must be done. Cost must be weighed as well as the features and capabilities of the system. Additional equipment may be needed, or the system may be able to run with the existing telephone equipment on hand.