CLI spoofing, or Caller ID spoofing, is a particularly pervasive form of voice fraud, with scammers manipulating the Caller ID to appear as a trustworthy business or person to effectively trick mobile users, often leading to financial losses, identity theft, and other serious consequences.

Faced with incoming regulator crack-downs and customer complaints, operators are taking pro-active steps to tackle CLI spoofing. Voice firewalls, however, are not one size fits all. How can operators decide what solution is right for their network? The Buyer’s Guide to Caller ID Spoofing Protection is designed to help mobile operators make an informed decision on the voice protection solution to address their unique requirements.

Deploying a voice firewall to protect subscribers against caller ID spoofing involves several teams across the organization. This guide is intended to help form a shared view within the organization on which criteria are critical in the selection process.

Determining Your Needs

Before selecting a vendor, operators need a good understanding of how the deployment of a voice firewall will impact departments across the organization. This guide explores how different teams will benefit from CLI spoofing protection, and how to understand and align requirements across the organization before selecting a firewall vendor.

The Vendor Shortlist – Areas to Consider

Once the operators’ needs have been identified, It’s time to start shortlisting vendors. This section explains how to analyze potential vendors effectively by asking the right questions.

Watch Your Footing: Pitfalls to Avoid 

The last section in Enea’s guide explains what not to do when selecting a voice firewall for CLI spoofing, covering:

• Common misconceptions around AI
• Staying realistic about intelligence capabilities
• Understanding the trade-off between building a firewall in-house and outsourcing to dedicated experts