Difference between Class 4 and Class 5 Softswitch.
Softswitches are generally categorized into different classes based on certain applications .
VoIP has made communication cheap and seamless for end users and businesses. There are so many amazing IP telephony solutions that make our life easier. The class 4 Softswitch and class 5 Softswitch are the two most popular VoIP solutions that are widely used.