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.
DBL TECHNOLOGY LIMITED
DBL Technology Ltd. is a leading company in developing and manufacturing advanced voice over IP (VoIP) solutions for the worldwide market. We are dedicated in the development of the latest VoIP technologies, and more than 10 years in developing a wide ra
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