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อ่าน 1315 ครั้ง / ตอบ 45 ครั้ง
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voip phone service
Using an Internet connection, a virtual phone system makes and receives business calls. A desktop or mobile app and a desk phone are available for accepting and placing calls. You do not need to purchase a new phone system if you use your existing equipment. You can both make and receive calls online. The same goes for virtual office phone services.
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