This is a method of providing a phone service to people over the Internet. This type of service moves the traditional phone switch off site and allows more than one company to use a particular switch.
ACT Corp.
Advantage Century Telecommunication Corporation, established in 1998, is a leading VoIP solution provider for customer premises equipment with headquarter in Taipei. We specialize and focus on design, R&D, manufacturing, marketing and sales as well as OEM
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