A Softswitch is an automated version of the switchboard that switches the call from one end to the other.

A VoIP Softswitch gets the same job done with the use of IP rather than PSTN. 

It is a software that enables users to conduct functions like routing, billing, reporting, and monitoring of their VoIP services and also acts as a bridge between VoIP and PSTN calls.

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That is, apart from IP to IP calling, a VoIP Softswitch can also facilitate calls between IP networks and traditional networks. 

Hence, making it one of the most attractive platform to any telecommunication service provider.  

What Are The Types of VoIP Softswitches? 

There are two types of VoIP Softswitches, Class 4 Softswitch and Class 5 Softswitch. 

Class 4 Softswitch is considered to be a wholesale solution, whereas class 5 Softswitch is a retail solution. 

Class 4 Softswitch :

Operates on a larger scale, and involves the routing of larger volumes of calls.

It also proves to be the suitable option where long distance and international calls are involved.

This type of Softswitch also allows the routing of class 5 calls. 

Class 5 Softswitch : 

Focuses on relatively smaller areas and calls between end-users. 

That is, it routes domestic calls within a smaller geographical area. The number of calls that can be transferred is often limited here.

Class 5 softswitch has to connect to a class 4 softswitch in order to make international calls happen. 

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