Telephone service companies have created a special communication service without the need to use customer's equipment. It's called a "virtual number". It also has a text type of "virtual SMS center." Thanks to the virtual link you can make calls or send messages while connected to the equipment of the company.
SysMaster Corp.
SysMaster is a leading vendor of voice, video, and data equipment, serving emerging and traditional telecoms and service providers. The company offers extensive line of Voice-over-IP, IPTV, and Wireless products and solutions which enable service provider
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