Know the working model, types and more about different types of VoIP Softswitches.

1. Compact Guide of VoIP Softswitch
VoIP softswitch is an integral part of any VoIP network. It is used by the telecommunication services
providers to offer the telecom services to their clients. The VoIP services provider can use different
types of VoIP softswitches in their network, based on their requirements to serve the types of users. The
softswitch is a software which connects the communication channel making calls. The softswitch is
also supervises the telephone lines making calls and the call quality
How VoIP Softswitch Works?
The VoIP softswitch is divided in two parts based on their functionality.
 Call Agent
 Media Gateway
The call agent takes care of the call related aspects like call signaling, routing, billing,etc. Whilst the
media gateway will ensure the quality and reliability of the end to end connection and call by working
on media and digital streams.
Methodology of the VoIP softswitch
 Whenever a call is originated, it will pass to the softswitch.
 The softswitch will route the call to the destination
 It will also control and monitor the call and other related media
Benefits of VoIP Softswitch
 Ensures highest call quality
 No additional hardware required
 Work platform independently
 Easy to install
 Easy to operate and manage
 No exhaustive maintenance cost
 Easy to upgrade or downgrade based on requirements
 Offer more advanced features than simple calling for users
There are different types of VoIP softswitch available based on the functionality and call routing
requirements. Two majorly used VoIP softswitch are class 4 and 5 switch. Each of those briefed below:
Class 5 SoftSwitch

2. To provide the VoIP services in a local area to the local offices and residents, the class 5 switch is used.
It is also known as the telephone switch as it is directly connected with the local telephone line. It
provides the calling features in short distance, more specifically, to local companies and residents. It
can be connected with the local phone line or other class 4 switch.
The class 4 softswitch route the calls to the destination class 5 switch, which then provide the actual
calling experience to the consumer.
Class 4 SoftSwitch
To provide the long distance calling services using the VoIP technology, class 4 softswitch is used. It is
connected to the other VoIP switch, which can be a class 4 or 5. It never gets connected directly to the
telephone lines. The long distance calls routed to one class 4 switch to another to reach the destination.
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