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Read to know about the Top 3 Must have features in Class 4 softswitch


VoIP industry is worth billions of dollars and to get a deserving piece of your share of this profit-making industry, you have to use nothing less than the best. The class 4 Softswitch solution is one of the widely used software in this industry. Read on to know about the top 3 must-have features in your class 4 aka wholesale switch solution.

VoIP industry is one of the biggest industries in the world and why not? It is dealing with the telecom segment. This industry is worth billions of dollars. There are many small and large businesses that run this industry and one of the major players is wholesale VoIP.

The wholesale VoIP is a huge industry and it is at the focal point of the business. Earlier, the wholesale VoIP service providers used to use a hardware-based switch infrastructure to manage and route calls from source to destination. The technological advancements have provided a portable and reliable solution, called, class 4 Softswitch solution.

The class 4 Softswitch is a VoIP Softswitch aka software switch. It is easy to operate. A majority of class 4 Softswitch, also renowned as wholesale Softswitch or wholesale switch, is available as a reliable, robust, and scalable solution. A class 4 Softswitch comes with a wide array of features and it is necessary to understand which features have to be there in your wholesale switch. In this article, I will share a brief about the top 3 features that have to be there in your switch to assure you can run your business in a more streamlined and professional manner.

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1.Call routing rules

The fundamental role of a wholesale Softswitch is to route calls from source to destination. There would be thousands of calls to be routed in a single minute and each call cannot be routed in the same way. The wholesale businesses often charge customers based on the routing strategy used to route the call. Thus, this feature becomes one of the most vital features in a wholesale switch. Some of the most popular call routing strategies aka rules these days are listed below:

  • Least Cost Routing (LCR)
  • Priority-based routing
  • Lossless routing
  • CLI routing
  • Non-CLI routing

You need to make sure your class 4 switch has all required call routing rules to support your business model.


The class 4 Softswitch solution is situated at the center point of a VoIP telecom network. It receives call traffic to be routed and it has to transfer the calls to another class 4 switch or class 5 Softswitch solution. These different solutions at source and destination points, which are connected to your wholesale switch, may use different codecs and protocols. Thus, your class 4 Softswitch must be compatible with all different standard protocols and codecs. It may have inbuilt features such as protocol conversion or it may have support to all different codecs and protocols to assure compatibility.


There are many class 4 Softswitch solutions available in the market which offer a wide range of features but do not have the much-needed feature, namely, billing. The wholesale VoIP business is dependent on invoicing and billing and if the class 4 Softswitch does not have inbuilt advanced invoicing and billing software, then it may create many issues. The business owner will need to pay additional to build a compatible VoIP billing software as billing is quite complex in wholesale VoIP business.

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Concluding Notes

There are many options available when one decides to buy a class 4 Softswitch. Each offers different features. It is necessary for a wholesale business owner or an aspiring startup to assure that the wholesale switch they are willing to buy has all the required features. This article shared the top 3 must-have features in an ideal class 4 switch. You need to make sure your switch has all of them.

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