Global VoIP Services Market to Grow at a CAGR of 9.87% During 2017-2021 - Avaya, Microsoft Skype, Viber Media, Vonage
VoIP functions on broadband networks using packet switched telephone networks (PSTNs), unlike traditional calls on circuit switched networks. PSTNs are more efficient than legacy systems (circuited switched networks), and information can be routed in packets over optimized paths. VoIP allows IP calls over mobile networks (3G/LTE) or fixed networks, such as wireless hotspots, Wi-Fi, and worldwide interoperability for microwave access (WiMAX) networks. VoIP bypasses the originating mobile carrier's telephony network and allows inexpensive calls on mobiles through the ISP networks....
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