Voice-over internet protocol (VoIP) software uses an IP network to transmit phone calls seamlessly without the need to connect to an extra telephone network. It is a modern form of PBX (private box exchange, or private branch exchange), a broad term for private telephone networks within organizations. VoIP providers can offer different types of PBX, including hosted PBX, virtual PBX, and cloud PBX. The differences between each of these options are minimal, with each form defined by the amount of user maintenance required for use.
VoIP services have improved significantly since their first entrance into the public domain during the late 1980s. Today, VoIP technology and cloud phone systems have revolutionized the business communication space. So, knowing what you need from your VoIP service before you set out to look is key
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The cost of a VoIP system can vary immensely. Numerous basic free solutions are available, and premium plans can range from a few dollars per year into the hundreds or even thousands per month for businesses with high-end requirements.
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Most VoIP service providers offer unlimited voice and video calling, along with unlimited SMS to numbers in specified parts of the world. Subscriptions are usually offered on a per-user basis, which means that you can expect to pay more if you need support from more team members.
Some providers do offer all-in-one solutions that support a specified number of users for one price, but this payment model isn’t all that common.
Expect to pay extra for advanced features, integrations with certain third-party platforms, and international calling options.