Resources For You

  1. 5 Essential Marketing Strategies for VoIP Businesses

    5 Essential Marketing Strategies for VoIP Businesses

  2. 5 Technologies Set to Revolutionise Webphones

    5 Technologies Set to Revolutionise Webphones

  3. 5 Unique Types of VoIP Gateways Explained!

    5 Unique Types of VoIP Gateways Explained!

  4. 5 Ways a Cloud PBX System Benefits Remote Work

    5 Ways a Cloud PBX System Benefits Remote Work

  5. 5 Ways SBCs Facilitate Unified Communications as a Service

    5 Ways SBCs Facilitate Unified Communications as a Service

  6. 5 Ways to Optimise ASR To Grow Profitability

    5 Ways to Optimise ASR To Grow Profitability

  7. 7 Additional Important Components of a VoIP Carrier Network Explained

    7 Additional Important Components of a VoIP Carrier Network Explained

  8. 7 Important Factors to Consider When Implementing LCR

    7 Important Factors to Consider When Implementing LCR

  9. 7 Ways to Optimize AHT

    7 Ways to Optimize AHT

  10. 9 Key Functions of an SBC Explained

    9 Key Functions of an SBC Explained

  11. 10 Factors to Consider While Choosing a Webphone

    10 Factors to Consider While Choosing a Webphone

  12. 10 Important Components of a VoIP Carrier Network Explained

    10 Important Components of a VoIP Carrier Network Explained

  13. 10-Point Security Checklist for VoIP Carriers

    10-Point Security Checklist for VoIP Carriers

  14. 10 Tips For Effective Implementation of LCR

    10 Tips For Effective Implementation of LCR

  15. 10 Webphone Features that Benefit Your Business

    10 Webphone Features that Benefit Your Business

  16. An Out of the Box Telecoms Network

    An Out of the Box Telecoms Network

  17. Are Call Centers Still Relevant in 2023?

    Are Call Centers Still Relevant in 2023?

  18. Automated Dialler vs Manual Dialler - Knowing the 7 Key Differences

    Automated Dialler vs Manual Dialler - Knowing the 7 Key Differences

  19. Call Center vs Contact Center - Understanding the Differences

    Call Center vs Contact Center - Understanding the Differences

  20. Choosing SIP over TCP,TLS and UDP in 2022

    Choosing SIP over TCP,TLS and UDP in 2022

  21. Class 4 Softswitch vs Class 5 Softswitch - Understanding the Difference

    Class 4 Softswitch vs Class 5 Softswitch - Understanding the Difference

  22. Combatting Covid-19 with Carrier-Grade Communications Solutions to Help Users Work Remotely

    Combatting Covid-19 with Carrier-Grade Communications Solutions to Help Users Work Remotely

  23. Comprehensive Cloud Softswitch Documentation

    Comprehensive Cloud Softswitch Documentation

  24. ConnexCS expands AnyEdge SIP Load Balancer to India

    ConnexCS expands AnyEdge SIP Load Balancer to India

  25. ConnexCS for Africa

    ConnexCS for Africa

  26. ConnexCS WebPhone SDK Connector

    ConnexCS WebPhone SDK Connector

  27. Discover the Different Types of NAT: An Essential Guide for Network Administrators

    Discover the Different Types of NAT: An Essential Guide for Network Administrators

  28. Discussing the Future and Top 9 Benefits of WebRTC

    Discussing the Future and Top 9 Benefits of WebRTC

  29. DNO And DNC Lists - Everything Carriers Should Know

    DNO And DNC Lists - Everything Carriers Should Know

  30. Email and SMS Alerts

    Email and SMS Alerts

  31. Employers' Guide to Winning at Remote Work

    Employers' Guide to Winning at Remote Work

  32. Exploring the Top 10 Types of Web Phones in 2023!

    Exploring the Top 10 Types of Web Phones in 2023!

  33. False Answer Supervision Detection - The Ultimate Tool for Preventing VoIP Fraud

    False Answer Supervision Detection - The Ultimate Tool for Preventing VoIP Fraud

  34. Far-End NAT Traversal - An In-Depth Guide

    Far-End NAT Traversal - An In-Depth Guide

  35. Feature Releases for June 2024

    Feature Releases for June 2024

  36. From Cost Savings to Mobility - 15 Benefits of Web Phones for Businesses

    From Cost Savings to Mobility - 15 Benefits of Web Phones for Businesses

  37. Get Your FCC Registration Number in 5 Easy Steps!

    Get Your FCC Registration Number in 5 Easy Steps!

  38. How to Build Your API on ConnexCS

    How to Build Your API on ConnexCS

  39. How to Build Your Own Dialer (BYOD) – Part 1

    How to Build Your Own Dialer (BYOD) – Part 1

  40. How to Establish a VoIP Interconnect in 10 Easy Steps

    How to Establish a VoIP Interconnect in 10 Easy Steps

  41. How to Get Operating Company Number (OCN) in 4 Easy Steps

    How to Get Operating Company Number (OCN) in 4 Easy Steps

  42. How to Identify Robocall Scam Traffic - A Comprehensive Guide for Telecom and VoIP Operators

    How to Identify Robocall Scam Traffic - A Comprehensive Guide for Telecom and VoIP Operators

  43. How to Improve CX? Ensure your Call Center Agents are Happy!

    How to Improve CX? Ensure your Call Center Agents are Happy!

  44. How to Prepare for a VoIP Network Security Audit

    How to Prepare for a VoIP Network Security Audit

  45. How to Properly Prepare for Setting up a VoIP Interconnect

    How to Properly Prepare for Setting up a VoIP Interconnect

  46. How to Register for the Robocall Mitigation Database: A step-by-step guide!

    How to Register for the Robocall Mitigation Database: A step-by-step guide!

  47. How to Successfully Implement LCR is 5 Easy Steps

    How to Successfully Implement LCR is 5 Easy Steps

  48. How Using Web Phones Can Benefit These 10 Industries?

    How Using Web Phones Can Benefit These 10 Industries?

  49. Importance of Balancing Cost Minimization and Reliable Call Quality when implementing LCR

    Importance of Balancing Cost Minimization and Reliable Call Quality when implementing LCR

  50. Introducing ConnexCS WebPhone

    Introducing ConnexCS WebPhone

  51. Introducing ConneXML - The Best TwiML Alternative

    Introducing ConneXML - The Best TwiML Alternative

  52. Introducing Smart CLI Select - An Effective Way to Improve your ASR

    Introducing Smart CLI Select - An Effective Way to Improve your ASR

  53. LTE vs VoLTE: Diving Into The Differences

    LTE vs VoLTE: Diving Into The Differences

  54. Operating Company Numbers (OCN) - Understanding Function, Importance and Relevance

    Operating Company Numbers (OCN) - Understanding Function, Importance and Relevance

  55. Populating Our Support Area With Cloud Softswitch Video Guides

    Populating Our Support Area With Cloud Softswitch Video Guides

  56. Predictive Dialler vs Progressive Dialler - Understanding the Differences

    Predictive Dialler vs Progressive Dialler - Understanding the Differences

  57. Preview Dialler vs Power Dialler - Understanding Top 5 Differences

    Preview Dialler vs Power Dialler - Understanding Top 5 Differences

  58. Rate Card Profit Assurance

    Rate Card Profit Assurance

  59. Redundant Redundancies (Backups of backups)

    Redundant Redundancies (Backups of backups)

  60. Revolutionise Your Outbound Calls - 8 Types of VoIP Diallers Explained

    Revolutionise Your Outbound Calls - 8 Types of VoIP Diallers Explained

  61. Scalability – Grow at Speeds That Suit You

    Scalability – Grow at Speeds That Suit You

  62. ScriptForge – Javascript Routing

    ScriptForge – Javascript Routing

  63. Simplifiying our Softswitch Pricing

    Simplifiying our Softswitch Pricing

  64. SIP 101 - The Best Guide of 2022

    SIP 101 - The Best Guide of 2022

  65. The 3CX Supply Chain Attack - Understanding Everything That Happened

    The 3CX Supply Chain Attack - Understanding Everything That Happened

  66. The 5 Best Strategies for Mitigating Robocall Scams

    The 5 Best Strategies for Mitigating Robocall Scams

  67. The Anatomy of Robocall Scams

    The Anatomy of Robocall Scams

  68. The Art of Cost Optimization - Least Cost Routing and Its 7 Benefits

    The Art of Cost Optimization - Least Cost Routing and Its 7 Benefits

  69. The Best Multi-POP Cloudswitch

    The Best Multi-POP Cloudswitch

  70. The Essential Guide to Business Continuity Plans for VoIP Carriers

    The Essential Guide to Business Continuity Plans for VoIP Carriers

  71. The Essential Guide to Implementing STIR/SHAKEN

    The Essential Guide to Implementing STIR/SHAKEN

  72. The Ultimate Guide to STIR/SHAKEN

    The Ultimate Guide to STIR/SHAKEN

  73. Timeout Protections (SIP Ping, SST)

    Timeout Protections (SIP Ping, SST)

  74. TLS and 2FA Security on the ConnexCS Platform

    TLS and 2FA Security on the ConnexCS Platform

  75. Top 5 Alternative Marketing Strategies for VoIP Businesses

    Top 5 Alternative Marketing Strategies for VoIP Businesses

  76. Top 5 Call Center Challenges and How To Overcome Them

    Top 5 Call Center Challenges and How To Overcome Them

  77. Top 5 Important Types of VoIP Gateways Explained

    Top 5 Important Types of VoIP Gateways Explained

  78. Top 7 Strategies For Ensuring Call Quality While Minimizing Costs with LCR

    Top 7 Strategies For Ensuring Call Quality While Minimizing Costs with LCR

  79. Top 9 Indicators that Help You Identify a Bad Carrier

    Top 9 Indicators that Help You Identify a Bad Carrier

  80. Top 10 Points of Differences Between a Traditional and VoIP Carrier

    Top 10 Points of Differences Between a Traditional and VoIP Carrier

  81. Top 10 Types of Robocall Scams Explained!

    Top 10 Types of Robocall Scams Explained!

  82. Top 10 VoIP Vulnerabilities You Must Know About

    Top 10 VoIP Vulnerabilities You Must Know About

  83. Understanding Global RTP Servers (Lowest Latency Possible, High Availability)

    Understanding Global RTP Servers (Lowest Latency Possible, High Availability)

  84. Understanding Network Address Translation (NAT) - A Beginner's Guide

    Understanding Network Address Translation (NAT) - A Beginner's Guide

  85. Understanding the 9 Key Objectives of a VoIP Network Security Audit

    Understanding the 9 Key Objectives of a VoIP Network Security Audit

  86. Understanding the Complete Scope of a VoIP Network Security Audit

    Understanding the Complete Scope of a VoIP Network Security Audit

  87. Understanding the Crucial Role of Session Border Controllers in Carrier-Grade VoIP Networks

    Understanding the Crucial Role of Session Border Controllers in Carrier-Grade VoIP Networks

  88. Understanding VoIP Anycast Load Balancing

    Understanding VoIP Anycast Load Balancing

  89. Understanding What a PBX System is and How it Benefits Your Business

    Understanding What a PBX System is and How it Benefits Your Business

  90. VoIP Carrier Network Components - Understanding Session Border Controllers

    VoIP Carrier Network Components - Understanding Session Border Controllers

  91. VoIP Carrier Network Security - How to Conduct Security Audit?

    VoIP Carrier Network Security - How to Conduct Security Audit?

  92. VoIP Carrier's Ultimate Guide to Cleaning Up Their Traffic

    VoIP Carrier's Ultimate Guide to Cleaning Up Their Traffic

  93. VoIP Interconnects - Learning How VoIP Carrier Connect and Exchange Traffic

    VoIP Interconnects - Learning How VoIP Carrier Connect and Exchange Traffic

  94. VoLTE - An Evolution in Voice Communication

    VoLTE - An Evolution in Voice Communication

  95. WebPones Explained: Understanding Web-Based Telephonic Communication

    WebPones Explained: Understanding Web-Based Telephonic Communication

  96. WebRTC 101 - The Best Guide for Beginners

    WebRTC 101 - The Best Guide for Beginners

  97. What Are SIP Traces - A Beginners Guide

    What Are SIP Traces - A Beginners Guide

  98. What Are The Top 10 Essential Call Center KPIs?

    What Are The Top 10 Essential Call Center KPIs?

  99. What Are VoIP Gateways and How Do They Work? A Comprehensive Guide

    What Are VoIP Gateways and How Do They Work? A Comprehensive Guide

  100. What is a Contact Center and Why Does Your Business Need One?

    What is a Contact Center and Why Does Your Business Need One?

  101. What is Robocall Mitigation Database? A Guide for Carriers and VoIP Operators

    What is Robocall Mitigation Database? A Guide for Carriers and VoIP Operators

VoIP Carrier Network Components - Understanding Session Border Controllers

When it comes to VoIP Networks, there are too many components working together to help us connect the world. Knowing and understanding what each component does thus, becomes necessary for every VoIP Carrier.

This knowledge helps VoIP carriers build a robust VoIP network and upgrade the existing one with better capabilities and throughput.

An important component that sits at the core of any VoIP Carrier’s Network is the Session Border Controller. The component serves a multitude of purposes and is essential in keeping the communication up and working smoothly.

Thus, every VoIP Carrier needs to know what it is and what things it is capable of handling. In this blog, we shall cover all the topics that will help VoIP Carriers understand Session Border Controllers better.

Before we get into it, let’s start off with a bit of basics!

A Brief Overview of VoIP Carrier Network

A Brief Overview of VoIP Carrier Network

A VoIP carrier network is a sophisticated infrastructure designed to facilitate the routing of voice and multimedia communication services over the Internet.

At its core, the network is powered by softswitches and media gateways. Softswitches are specialized servers responsible for the intricate tasks of call control, routing, and signaling. They ensure that calls reach their intended destinations seamlessly.

Media gateways play a pivotal role in the network. They adeptly convert voice and multimedia signals between VoIP and traditional circuit-switched networks. Thus ensuring compatibility and continuity of communication.

Session Border Controllers (SBCs) stand as vigilant sentinels within this network. They serve as the guardians of security and interoperability, diligently controlling the signaling and media streams of VoIP sessions.

SBCs enforce security policies and quality of service (QoS) standards. These are vital for a reliable and secure communication environment.

Peering points within the VoIP carrier network facilitate interconnections with other carrier networks and service providers. These connections are the bridges that enable the exchange of traffic and calls between different carriers.

Billing and Operations Support Systems (OSS/BSS) form another critical aspect of the network. They are the backbone of financial and operational processes, managing call rating, billing, and customer accounts.

The network infrastructure, consisting of routers, switches, and data centers, provides the necessary backbone for data transmission.

In pursuit of unparalleled reliability, VoIP carrier networks incorporate redundancy and failover mechanisms. These mechanisms guarantee high availability, ensuring that even in the face of network failures, communication remains uninterrupted.

In essence, a VoIP carrier network represents a harmonious integration of hardware, software, and network infrastructure that powers modern telecommunications.

What is a Session Border Controller?

What is a Session Border Controller?

A Session Border Controller (SBC) is a security device used in VoIP networks to protect and manage the flow of communication sessions.

Imagine you're making a phone call using a VoIP app on your computer to a friend across the world. The SBC acts like a guard at the gateway. It checks the call request to ensure it's legitimate and secure.

It verifies that your call request isn't a threat (like a hacker trying to intercept it) and that the call uses the right technical rules to connect properly.

If everything checks out, it lets your call go through smoothly, ensuring clear and safe communication. Essentially, it's the digital enforcer making sure your VoIP calls are private, secure, and follow the rules of the internet road.

Role of a Session Border Controller in a VoIP Carrier Network

In a VoIP carrier network, a Session Border Controller (SBC) plays a multifaceted and critical role. It ensures the secure, efficient, and reliable operation of the network.

Here's a detailed explanation of the roles and functions of an SBC in a VoIP carrier network.

1. Security Enforcer

SBC Security Enforcer

Firewall Protection - SBCs act as the first line of defense, safeguarding the network from unauthorized access and cyber threats. They employ firewall capabilities to prevent malicious attacks, ensuring the integrity of the network.

Encryption - SBCs often provide encryption services to protect the confidentiality of voice and data traffic. They ensure that sensitive information remains private and secure during transmission.

Access Control - SBCs enforce access policies, allowing only authorized users and devices to connect to the network. This helps prevent unauthorized access or eavesdropping.

2. Interoperability Facilitator

SBC Interoperability Facilitator

Protocol Translation - VoIP networks often use different communication protocols. SBCs act as intermediaries, translating these protocols to ensure that different devices and networks can communicate effectively with each other.

Codec Conversion - SBCs can convert between different audio codecs to match the capabilities of the calling parties, optimizing voice quality and compatibility.

3. Quality of Service (QoS) Management

SBC QoS

SBCs monitor and manage network traffic to prioritize VoIP packets. Thus ensuring low latency, minimal jitter, and high-quality voice and video communication. This is essential for providing a smooth user experience.

4. Session Control and Management

SBCs establish, manage, and terminate VoIP sessions. They help set up calls, handle signaling between endpoints, and ensure the proper termination of sessions, freeing up network resources when calls are completed.

5. Network Topology Hiding

SBC Network Topology Hiding

SBCs conceal the internal network structure from external entities. This in turn enhances security by preventing potential attackers from gaining insights into the network's architecture.

6. Distributed Denial of Service (DDoS) Mitigation

SBCs can identify and mitigate DDoS attacks in real-time. They prevent DDoS attacks from overwhelming the network and causing service disruptions.

7. Policy Enforcement

SBCs enforce network and communication policies, ensuring that calls adhere to regulatory requirements and carrier-specific guidelines.

8. Billing and Reporting

SBC Billing and Reporting

SBCs collect data on call usage and can assist in call rating and billing processes. They provide valuable insights into network performance and usage patterns.

All things considered, an SBC is an integral component in any VoIP Carrier Network.

Types of SBCs

Session Border Controllers (SBCs) come in various types to cater to different network environments and deployment scenarios. Here are the main types of SBCs:

1. Hardware-Based SBCs

These SBCs are physical devices designed to handle the demands of larger networks and high call volumes. They are dedicated hardware devices with specialized processing capabilities. This makes them suitable for carrier-grade deployments and large-scale VoIP networks.

2. Software-Based SBCs

Software-based SBCs run on standard servers or virtual machines. They offer flexibility and scalability, as they can be deployed on existing hardware or in cloud environments. This type is ideal for smaller networks or businesses looking for a cost-effective solution.

3. Cloud-Based SBCs

Cloud-based SBCs are hosted in cloud infrastructure. They provide the advantages of scalability and ease of management. This makes them suitable for businesses and service providers that want to leverage cloud resources for VoIP services without investing in physical hardware.

4. Virtual SBCs

Virtual SBCs are a subset of software-based SBCs designed to run in virtualized environments. They are highly adaptable and can be deployed alongside other virtualized network functions. This makes them a good choice for network operators implementing Network Functions Virtualization (NFV).

5. Integrated SBCs

Some networking equipment, such as routers and session initiation protocol (SIP) gateways, include integrated SBC functionality. These devices offer the benefits of SBCs within a broader networking context. The benefits thus granted are simplifying network architecture and management.

6. Session Routing SBCs

Session routing SBCs focus on intelligently routing VoIP traffic based on specific criteria, such as quality, cost, or compliance with regulatory requirements. They excel at optimizing call routing in complex networks.

7. Edge SBCs

Edge SBCs are positioned at the network edge, serving as a point of entry or exit for VoIP traffic. They are typically responsible for security and session management at the network perimeter, protecting against external threats.

8. Enterprise SBCs

Enterprise SBC

Designed for corporate networks, enterprise SBCs cater to the unique needs of businesses. They focus on features like SIP trunking, remote worker support, and interoperability with various communication platforms.

9. Carrier-Grade SBCs

Carrier-Grade SBC

Carrier-grade SBCs are designed for telecommunications carriers and service providers. They are engineered to handle large volumes of traffic, support complex routing, and meet stringent reliability and security requirements.

Choosing the right type of SBC depends on factors. These factors include network size, scalability needs, budget, and the specific requirements of the deployment.

The versatility of SBCs allows organizations to select the type that best fits their VoIP network infrastructure and communication objectives.

Benefits of Using an SBC

Considering the central role it plays, the benefits an SBC has to offer are varied and spread over a wide area of scope. Here's a detailed explanation of each of the benefits of using a Session Border Controller (SBC).

1. Policy Enforcement

SBCs enforce network and communication policies, ensuring that calls adhere to specific rules and regulations. For example, they can enforce policies related to call recording, emergency services, or access control.

This ensures that the network operates within legal and regulatory boundaries while maintaining a high level of security and control.

2. Cost Savings

Cost Savings SBC

SBCs can optimize call routing by selecting the most cost-effective paths for voice traffic. This is particularly beneficial for long-distance and international calls. Here SBCs can choose routes that minimize expenses, resulting in significant cost savings for carriers and enterprises.

3. Enhanced Scalability

SBCs are highly adaptable to changing network demands. They can handle increased call volumes and traffic loads. This makes it easier to scale VoIP infrastructure as needed without the need for substantial hardware investments. This scalability supports the growth of carriers and businesses.

4. Simplified Network Management

SBCs consolidate various functions, such as security, routing, transcoding, and session control, into a single device. This simplifies network architecture, reduces complexity, and streamlines management tasks. Network administrators can more efficiently configure and maintain the network.

5. Redundancy and Failover

SBCs incorporate redundancy and failover mechanisms, ensuring high availability. In the event of network failures or hardware issues, SBCs seamlessly reroute traffic to backup paths or devices. Thus, service disruptions and downtime are minimized.

6. Regulatory Compliance

Regulatory Compliance SBC

SBCs help organizations adhere to legal and regulatory requirements. For instance, they can facilitate call recording and support lawful intercept capabilities, ensuring compliance with government regulations.

Notably, the Federal Communications Commission (FCC) mandates the use of SBCs to block fraudulent traffic from entering the U.S. This prevents the spread of illegal robocalls and toll fraud.

7. Enhanced Network and Traffic Security

SBCs serve as a robust security barrier for VoIP networks. They offer firewall protection, encryption, and intrusion detection, guarding against various cyber threats. SBCs can also identify and mitigate Distributed Denial of Service (DDoS) attacks, ensuring network security and service availability.

Conclusion

Evidently enough, an SBC does a lot of things quite capably. Sitting at the core of a VoIP network, it acts as the head of security and traffic management.

There are so many things you can achieve using an SBC in terms of traffic management and policy enforcement. Be it security, profits or QoS, you can easily bolster all of these performance parameters using an SBC.

There are also so many types of SBCs that specialize in different functions to choose from. Now that you know and understand Session Border Controllers, you can build a robust VoIP network or upgrade an existing one capably!