Session Border Controller: What Is It and Why Do You Need It?

Man pointing to the VOIP informationThe technological world utilizes several different devices to form modern networks for businesses. With switches, workstations, supporting tools and services operating as one, the end users get to have a greater experience.

In a networked setting, businesses use a few types of devices for security. Among these are the less commonly recognized application called the Session Border Controller (SBC). It offers better control and supplements regular firewalls for businesses that utilize VoIP and SIP trunk providers.

What is SBC, exactly?

Similar to a firewall or switch, an SBC has precise routing tasks to handle traffic on a busy network. It basically controls the quality of service for VoIP calls. It also handles dangers like assaults on the network, and offers further authentication mechanism for media or voice packets. These develop a network infrastructure wherever a VoIP operation is active.

A lot of businesses view this device as some type of network’s firewall appliance. Such devices sometimes communicate, but the SBC particularly handles VoIP transmissions. This includes SIP, Inter-Asterisk eXchange and other communication-specific protocols.

Why do you even need an SBC?

A majority of IT professionals and business decision makers usually ask this question. Typically, professionals who do not have much experience with VoIP technology believe that routers, switches and firewall appliances are capable of completely supporting a VoIP implementation. Even though it is a logical idea, there are particular elements of an SBC that can completely upgrade the network’s health.

The SBC is a valued and usually essential extension to a VoIP utilization. Administrators will be able to improve traffic flow and enhance security with a horde of elements included in the majority of systems today. For large corporations to mid-size businesses, incorporating this device is commonly vital.