Choose the Most Suitable IP Telephony Type

make phone calls via the World Wide Web. This technology is called IP telephony and it is rather popular among business companies that do their best to build the most trusting relationship with the client and create a positive image.

The principle of action

The human voice is an analog signal. It is converted into digital format, compressed, and encrypted. Such an IP solution is transmitted to the interlocutor via a secure Internet channel. Specialized software is installed on the recipient’s computer device or gadget, which decodes and converts the digital element into an analog format. That is why the interlocutors hear each other and communicate regardless of geolocation. IP solutions have a minimum volume so Internet channels are not overloaded, unlike telephone lines, which ensures a high quality of communication. 

The only condition for normal IP telephony operation is the availability of high-speed and uninterrupted Internet. The vast majority of such networks work on the SIP protocol. The used virtual numbers are not tied to the region.

Types of IP telephony

There are 2 types depending on the equipment: software and cloud (virtual).


It is installed on Windows and works from its own server in the office. Such systems are completely autonomous and their parameters are configured and regulated by the company’s system administrator. The subscription fee is absent. However, they also have a number of disadvantages: significant costs at the stage of organization and connection of IP telephony which are associated with the need to purchase your own hardware (a PCI card and a server). 

The possible user has to hire IT specialists for maintenance. The possibilities of integration with third-party services are minimal. There’s low scalability (connection of new subscribers). The system will need to be upgraded at some points. Software IP telephony is suitable mainly for large companies that need an autonomous network for communication between remote units, counterparties, and customers.


It’s much easier to implement the technology that involves concluding a contract with a Freezvon provider. It takes over all the worries regarding the organization and maintenance of the system. The company provides the customer with the opportunity to use a virtual PBX located in the cloud for a fixed subscription fee. 

The majority of medium and small business organizations use a South Africa virtual number in their work because of the obvious advantages.

  • There are minimum costs for the organization. It is not necessary to buy specialized equipment and a server to start work. It is enough to install softphone programs on gadgets.
  • You don’t need to hire system maintenance specialists. The Freezvon provider is responsible for its uninterrupted operation.
  • Virtual numbers allow workers to receive multiple calls at the same time from different phones. This will help to process a lot of customer requests and increase the number of sales.
  • It can offer virtually unlimited possibilities for expansion and the addition of new lines. Only a few clicks need to be done to make changes to the branching of the network.
  • There can be a convenient integration into various applications, programs, and CRM systems.
  • Each virtual number can be individually configured for call forwarding and routing.

The use of IP telephony of any kind allows the company’s employees to stay in touch while being in different branches or on business trips to other cities or countries. At the same time, the connection is much more stable than a regular telephone and the tariffs for international calls are acceptable. This is the most convenient way to contact customers for call centers and online stores since many channels for operators can be connected to one call number.

By the way, lots of financial and insurance companies can use virtual numbers and all the available features to distribute calls. For example, a bank client can easily get through to his/her personal manager any day. The system will transfer calls to a work number during business hours and on weekends – to a personal one. Virtual IP telephony will allow using the voice menu to segment individual commands. The client gets the possibility to quickly contact the desired department without finding out additional numbers.

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