Wholesale Softswitch or Class 4 Softswitch is used by providers who work with the wholesale business model.

This softswitch allows for the transfer of traffic between carriers.

It can be considered more complex than a class 5 softswitch due to the routing of a larger volume of calls, it handles.

This traffic transfer usually takes place over long distances.

The exchanges between which the traffic is transmitted are known as LATAs (Local Access and Transport Area).

Some common features to look for in this type of Softswitch include –

• Routing
• Call management:
• DID support
• Blacklisting and whitelisting
• Generation of call reports
• Least-Cost Routing (LCR)

An ideal wholesale softswitch will come with an integrated billing system.

This is a very important part of the software.

Customers are encouraged not to opt for switches without an in-built billing system as it will lead to increased costs.

The ease in setting up and other features like scalability has to be considered here.

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