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

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

Are you drowning in robocall scams?

Imagine: Millions of fraudulent calls flooding your network, eroding customer trust and threatening your reputation. This is the reality of the robocall scam epidemic, a growing problem plaguing telecom and VoIP carriers worldwide.

But there's hope! This comprehensive guide will equip you with the knowledge and tools to identify and mitigate robocall scam traffic in your network.

Why is this crucial? Robocalls not only harm your customers financially and emotionally but also expose your network to vulnerabilities and potential regulatory scrutiny.

Through clear explanations and practical strategies, this guide will empower you to:

  • Recognize red flags of suspicious call patterns and content.
  • Leverage advanced analytics to detect and block malicious activity.
  • Implement effective mitigation strategies to protect your network and customers.

Ready to take a stand against robocall scams? Join us on this journey to a safer, more secure calling environment for everyone.

Understanding Robocall Scam Traffic

Understanding Robocall Scam Traffic

Robocall scams are automated calls with pre-recorded messages, often disguised as legitimate entities like banks, tech support, or government agencies. These calls aim to deceive and exploit victims. They typically target personal information, financial details, and resort to emotional manipulation for financial gain.

Characteristics of Robocall Scam Traffic

Characteristics of Robocall Scam Traffic

  • Spoofed Caller ID: Scammers manipulate Caller ID to appear as trusted entities, increasing call answer rates.
  • Pre-recorded Messages: Generic scripts designed to sound urgent or authoritative, creating a sense of panic or pressure.
  • Phishing Attempts: Scammers try to extract personal information like passwords or credit card numbers through deceptive tactics.
  • Aggressive Tactics: Threats, intimidation, and false urgency are common to pressure victims into making rash decisions.

Impact on Telecom and VoIP Operators

Impact of Robocall Scam Traffic on Telecom and VoIP Operators

Robocall scams are not just a nuisance for your customers; they pose a significant threat to your operations and reputation. Here's how.

Financial Penalties

  • FCC Fines: The Federal Communications Commission (FCC) can impose substantial fines on carriers failing to comply with anti-robocall regulations. In 2023, XCast Labs faced a $10 million fine for facilitating millions of illegal robocalls.
  • FTC Fines: The Federal Trade Commission (FTC) can also levy hefty fines for deceptive practices. Globex Telecom was fined $2.1 million in 2020 for facilitating robocalls targeting consumers nationwide.

Reputational Damage

  • Customer Churn: Frustrated customers facing constant scam calls may switch to carriers perceived as offering better protection.
  • Public Scrutiny: Negative media coverage and public complaints can damage your brand image and erode customer trust.
  • Operational Costs: Investigating complaints, managing customer support, and implementing mitigation measures incur significant costs.

Network Security Risks

  • Vulnerability Exploitation: Scammers may exploit network vulnerabilities opened by robocall attempts, posing a cybersecurity threat.
  • Resource Drain: Spam calls consume network resources, potentially impacting legitimate traffic and overall call quality.

Key Indicators for Identifying Robocall Scam Traffic

Key Indicators for Identifying Robocall Scam Traffic

Similar to how computer viruses have their own unique signatures, robocall scam traffic has its own signatures too. There are specific indicators that you can look out for to identify if the traffic passing through your VoIP network is robocall scam traffic or not.

1. Call Volume Analysis

Call Volume Analysis

Imagine millions of automated calls flooding your network undetected. Call volume analysis can be your first line of defense, shining a light on suspicious activity. Here's how:

1. Sudden Spike in Outbound Calls: Legitimate businesses typically exhibit predictable call patterns. A sudden, unexplained surge in outbound calls, especially outside regular business hours, screams "robocall scam." Analyzing call volume by time and origin can expose these anomalies.

2. High Call Rates to Specific Number Ranges: Scammers often target specific groups or exploit known vulnerabilities in phone number ranges. Identifying unusually high call rates to specific number ranges, especially those associated with scams in the news, can flag suspicious activity.

By analyzing these factors and comparing them to historical data and industry trends, you can identify patterns indicative of robocall scams. This early detection allows for:

  • Proactive blocking: Prevent suspicious calls from reaching your customers.
  • Targeted investigation: Pinpoint the source and take action against malicious actors.
  • Improved resource allocation: Optimize network resources for legitimate traffic.

Remember, call volume analysis is just one piece of the puzzle. Combining it with other strategies like caller ID authentication and user education creates a stronger shield against robocalls.

2. Call Duration and Frequency

Call Duration and Frequency Analysis

One ground rule for all scams is that one needs to execute it and disappear as quickly as possible. Robocall scams are the same and aim for efficiency, not conversation.

Analyzing call duration and frequency can unveil these hidden patterns:

1. Short Call Durations: Legitimate calls often involve conversation. Unusually short durations, especially below 10 seconds, suggest automated messages and potential scams. Identifying such patterns across large datasets can flag suspicious activity.

2. Rapid Sequential Dialing: Scammers often use automated dialers to reach multiple numbers quickly. Analyzing rapid dialing patterns can expose attempts to overwhelm voicemail or target specific number ranges.

By analyzing these factors in conjunction with other data points, like call volume and time of day, you can build a robust picture:

  • Short calls during peak hours followed by rapid dialing: Indicate a likely robocall campaign targeting multiple users.
  • Consistent short calls from a specific source: Points to a potential bad actor within your network.

Remember, these tools alone won't stop all scams. However, by understanding these patterns and learning about these indicators, you will be able to build a strong anti-robocall scam traffic strategy.

3. Caller ID Spoofing

Caller ID Spoofing

Spotting spoofed Caller ID, where scammers disguise their true number, is crucial in identifying robocall scams. Spoofing Caller IDs enables them to impersonate legitimate entities, making their scams highly effective.

1. Mismatched or Spoofed Information: Pay close attention to inconsistencies between the displayed Caller ID and the call's origin. Look for:

Numbers mimicking legitimate entities: Government agencies, banks, or well-known companies rarely use personal numbers or unfamiliar area codes.

A good way to ensure this does not happen is to make sure your switch is enforcing a Do Not Originate List made mandatory by the FCC.

  • Unrealistic or suspicious information: Names like "Amazon Refund" or numbers with consecutive digits scream a red flag.
  • Inconsistency with known business practices: Banks calling from personal numbers or government agencies offering prizes are telltale signs of spoofing.

2. Inconsistent Caller ID Data Across Calls: Scammers often use recycled numbers or switch them frequently. Monitoring for inconsistencies in Caller ID information across multiple calls from the same source can reveal suspicious patterns. For example:

  • Same area code but different numbers: Suggests an attempt to target a specific region with spoofed local numbers.
  • Rapidly changing Caller ID names or locations: Points to automated manipulation and potential scam activity.

4. Call Termination Rates

Call Termination Rates

Call termination rates, where and how calls end, offer valuable insights into identifying robocall scams. Here's how:

1. High Rates to Non-Standard Destinations: Legitimate businesses typically call established numbers. Analyze destinations with unusually high termination rates. These can potentially be international numbers known for robocall activity and can expose suspicious patterns.

Look for:

  • Numbers associated with previous scams: Flag destinations previously identified as sources of robocall campaigns.
  • High-cost international destinations: Scammers often target these for inflated charges, especially on prepaid accounts.
  • Unregistered or disreputable numbers: Legitimate businesses rarely utilize such destinations.

2. Unusually High Call Failures or Disconnects: Scammers often use automated dialers that place numerous calls quickly. The result is high failure rates due to busy signals or full voicemail boxes.

Look for the following signs:

  • Sudden spikes in call failures: Especially from specific sources, can indicate automated dialing attempts.
  • High disconnection rates after short durations: Suggests automated messages aimed at triggering call answering machines or voicemail.
  • Patterns of unanswered calls followed by rapid redialing: Points to potential scam attempts targeting specific numbers.

Remember, termination analysis alone isn't foolproof. Try integrating it into your broader anti-robocall strategy. You will be able to significantly improve your network's defense and protect your customers from these malicious activities.

5. Geographic Call Patterns

Geographic Call Patterns

While it's not okay to hold prejudices against anyone based merely on hearsay, sometimes the numbers don't lie. Scam operations are more prevalent in some countries than others.

Thus, knowing where the calls are originating from also plays a crucial role in determining if the call traffic is robocall scam traffic or not.

1. High-Risk or Non-Standard Locations: Scammers often operate from countries with lax regulations or known for robocall activity. Identify calls originating from:

  • Countries with high scam reports: Like Vietnam or India, can flag potential threats.
  • Locations with limited legitimate business connections: Suggest suspicious activity.
  • Areas with known robocall campaigns: Allows you to proactively block calls from these regions.

2. Sudden Changes in Call Origin Geography: Legitimate businesses typically exhibit consistent geographic calling patterns. Analyze sudden shifts in origination, especially:

  • Spikes in calls from high-risk regions: This can indicate a targeted robocall campaign.
  • Uncharacteristic international calls: Especially outside regular business hours, warrant investigation.
  • Geographic shifts followed by other suspicious patterns: Like short durations or mismatched Caller IDs, strengthen the case for scams.

6. Caller Reputation Analysis

Caller Reputation Analysis

Digging into the "who's who" of callers can be crucial in identifying robocall scams. Checking a caller’s reputation can help you in the following way:

1. Robocall Mitigation Databases: Utilize databases like STIR/SHAKEN registries, RMD or industry blacklists that assign reputation scores based on past call activity and known scam attempts. Look out for:

  • Low reputation scores: Flag callers with a history of robocall activity or complaints.
  • Sudden drops in reputation scores: Can indicate a change in behavior and potential scam involvement.
  • Cross-referencing with other red flags: Like mismatched Caller ID or high call volume, strengthens the case for suspicious activity.

2. Historical Call Behavior and Complaint Data: Analyze your own network data to identify past call behavior associated with scams. Look for the following:

  • Frequent complaints from customers: Regarding specific numbers or call patterns.
  • Previous blocking of calls from similar sources: Indicates a known history of problematic activity.
  • Patterns of short calls followed by disconnects: Suggest automated scams targeting specific groups.

These key indicators can help determine whether the traffic flowing through your network is robocall scam traffic or not.

Final Words

Understanding what to look for does half the job for you when it comes to curbing robocall scam traffic flowing through your network. The downsides of not doing so make it well worth it to dedicate resources towards it.

All you need is a switch with powerful Analytics capabilities. Combine that with the key indicators of robocall scam traffic that we covered today, and you will have secured your VoIP networks from robocall scam traffic.

If your Switch doesn’t offer powerful Analytics, you should definitely check out our Switch! 😉