Communications Platform as a Service (CPaaS) is the preferred new technology for building telecommunications applications that enhance customer experience, improve security, and increase speed. Frequently used in business communication, including contact centers, interactive voice response, two-factor authentication, notification, and many other telecom applications, CPaaS provides a cost-effective, rapid development and execution environment for these and many other use cases.
Additionally, Session Border Controller (SBC) technologies are the preferred solution for telecommunications network security, routing, and resilience functions.
SBCs allow for the use of one or more preferred carriers instead of the carrier provided by the CPaaS hosting provider. They also provide a means to integrate third-party carriers with virtually any CPaaS platform, reducing costs and consolidating traffic into an already-contracted carrier.
Protecting against denial of service (DOS), registration floods, scanning, and many other attack profiles, SBCs block attackers from causing outages or executing extortion schemes.
As there are subtle technical differences in SIP signaling between carriers (especially across international borders), SBCs are often used in normalizing dissimilar SIP traffic into a CPaaS environment.
As the scale of CPaaS-based applications grows, SBCs are utilized to manage traffic across multiple CPaaS server clusters, performing load balancing or redirecting traffic during maintenance windows.
For high-value CPaaS applications, SBCs can improve resilience by detecting network and server outages, redirecting traffic to active servers.
A few examples of Session Border Controllers and Communications Platform as a Service working together include:
Aircall, a Paris-based business phone system that offers an innovative contact-center-as-a-service, is fully based on CPaaS infrastructure from Twilio. As a global offering, the service is hosted in multiple Twilio data centers and interfaces with numerous international SIP service providers. TelcoBridges’ ProSBC is utilized on AWS to normalize and manage the international service provider traffic, improving efficiency and resilience.
Network Intelligence, a California-based managed service provider, manages a CPaaS application for the United Way of California, a large state-wide 2-1-1 public service application. Core to the application infrastructure is TelcoBridges’ ProSBC, providing call routing and network management, and interacting with multiple telecom carriers with their CPaaS services.
“ProSBC provides the functionality we need, and it’s been very reliable,” says Aircall engineer and co-founder Pierre-Baptiste Béchu. “The subscription and scalable nature of ProSBC fits our business model perfectly, and we think it’s just what we need in order to continue expanding our business around the globe and satisfying our customers.”
“If we didn’t have ProSBC in the architecture, we wouldn’t be able to access the incoming calls, or analyze what’s being manipulated by the CPaaS component. ProSBC is an Integral part of our solution. It’s managing our traffic at the physical layer as well as the applications layer, and it’s giving us control over the entire process.”
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