There are such systems on the market for phone management systems. One of the better ones that should be considered is the one in the following link, because it is free to download. http://download.cnet.com/Cell-Phone-Manager/3000-2074_4-10215960.html
Many work phone systems have the capability to forward calls to your cell phone. If they don't, you could get a follow me service to do this.
A cell phone management system can be purchased for your iphone through your iphone applications or the Apple store. I would suggest going to either of those to help you.
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Go to www.PowerfulSignal.com. They have a complete selection of cell phone booster systems.
JK Infra & Management Systems
What are the systems approaches in resource management
That is considered to be Martin Cooper (was a general manager in the systems division of Motorola). He was also the first person to make a call on a portable cell phone in April 1973.
American Management Systems ended in 2004.
STORIS Management Systems was created in 1989.
American Management Systems was created in 1970.
Guy Klemens has written: 'The cellphone' -- subject(s): Cell phone systems