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.