Class 4/5 Softswitch – Which Is The Best Solution for Communication?

 


There has been an ever going debate between superiority of two VoIP Softswitch solutions:

  1. Wholesale Softswitch aka class 4 Softswitch software

  2. Retail Softswitch aka class 5 Softswitch software

The VoIP service provider has been debating on the fact, which switch is the best and that is what we are going to delve deeper into this article.

To understand the difference between both of these VoIP solutions, let’s understand the utilities, working models and features of both of these software solutions.

1. Class 4 VoIP Softswitch

It is used to serve wholesale VoIP business by providing call routing services to international wholesale VoIP service providers. The major utility of class 4 Softswitch software is to deliver call distribution from source to destination for massive call volume. This switch serves to the retail VoIP service provider to connect end-user calls to the destination, which can be local or international.

As the whole business model of class 4 Softswitch software revolves around call distribution, the major features supported by this software also revolve around different approaches of routing calls.

Key features supported by wholesale Softswitch:

  • Least cost routing (LCR)

  • CLI & non-CLI routing

  • Priority based routing

  • Prefix based routing 

  • Lossless routing

  • And more

2. Class 5 VoIP Softswitch

This third party or open source Softswitch solution is used to provide communication services to the end user. It supports all communication features to deliver exceptional communication services. Usually, class 5 Softswitch software is used to cater to the communication needs of local customers and it can handle hundreds of calls in parallel to serve clients.

As the class 5 Softswitch solution is used to deliver end user communication service, all features of this software revolves around communication.

Key features supported by class 5 VoIP Softswitch:

  • Calling 

  • Call queues

  • Ring group

  • Voicemail

  • 3-way conferencing

  • Call hold and pickup

  • Call mute and un-mute

  • Call forwarding

  • Call transfer

  • Call barring 

  • Blacklisting

  • Whitelisting

  • IVR

  • Holiday based call routing

  • Call logs

  • And more

Working model of Softswitch solutions

As now you understand both of these VoIP Softswitch solutions, let’s now understand how these two systems work in a harmony by exploring its working model. 

  • Any local call initiated by a user will be routed by the class 5 Softswitch open source or proprietary solutions. If the destination is local, the call will be connected between source and destination using this open source Softswitch solution only.

  • If the call destination is international, the call will be passed to the class 4 VoIP Softswitch solution and this switch will route the call to the destination. At the destination, it will assign this call to another class 5 Softswitch solution, so it can be traversed to the receiving party.

As you can understand, both of these solutions have their own roles to play in the VoIP communication network.

Conclusion

Both of these VoIP Softswitch solutions have different utilities and serve different purposes. Thus, each of these solutions are important and are popular as the best solution in the respective domain. For example, in the VoIP wholesale market, there is no other software better than a class 4 Softswitch open source solution. Likewise, to deliver exceptional calling services to the end users, you cannot find any better option than a class 5 Softswitch open source solution. 

If you look at the full picture, both of these VoIP Softswitch open source solutions are necessary to complete the full circle of communication services in the VoIP industry. Thus, both of these solutions are the best for communication. 

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