A great place to investigate virtual phone systems is Virtual PBX. It is a company that offers small business virtual phone systems. They are a great resource to find out more about the technical requirements, and how much it will cost a company. It also has great information on how the system works and what skills would be required to work the equipment.
There are many different companies that offer virtual phone systems. Grasshopper is the name of one such company. Virtual PBX is another company that has virtual phone systems.
I found a couple of sites you should check out on this www.ringcentral.ca/ , and www.onebox.com/ both of theses sites can help you on what you are looking for.
There are many places where one can find information on auto attendant phone systems. One can find more information from websites that sell these type of phone systems. One may also find in depth information from the Automated attendant Wikipedia entry.
One can find information about Panasonic Business Phone Systems online at the Panasonic website. There is also contact information to ask customer service at the company.
One can find information concerning Nortel phone systems from websites like Unique Comm, TMSI, Digit Com, Business Telephone, Telephone Magic and Clear Lines.
Your best source of information on business telephone systems and options will be your phone services provider. There are some major security issues that must be addressed with business phone systems.
To find some information on office phone systems, you can visit such sites as Talk Switch; they offer different detailed phone office systems for small businesses for an unbeatable value with self claimed great prices, Cisco, who offers basic and affordable service, and places such as Office Depot, Staples etc.
You can find information about virtual drums online at the Virtual Drumming website. Once on the page, you can learn about drums and practice them online.
You can go to a sight specific for office telephone systems or you can go to a phone carrior such as bellsouth or you're local phone company and ask them direct.
Finding more information about virtual hosts is not very challenging at all. In order to find more information about virtual hosts, one can visit the GoDaddy website.
While searching i came across Virtual PBX. In my opinion they have very low plans and they have low monthly rates heres the link if you want to check it out.http://www.virtualpbx.com/
The virtual stock exchange is a trading game that helps its players gain useful information about the actual stock exchange. You can find information on it at MarketWatch.