For years, organizations have relied on enterprise voice as a primary channel for customer engagement, be it for support, sales, or mission-critical notifications. However, the rise of robocalls, spoofing, and fraud has eroded trust in the phone channel, leading to declining answer rates and growing brand risk. While the introduction of STIR/SHAKEN marked a major step forward, a new wave of Federal Communications Commission (FCC) regulations is pushing the industry toward a more complete model of trusted calling; one that goes far beyond basic authentication.
These new regulations are shifting the conversation from simply verifying numbers to fully validating identities and delivering richer, branded call experiences. For enterprises, this evolution represents both a compliance requirement and a strategic opportunity to protect brand reputation and improve customer engagement.
STIR/SHAKEN has played an essential role in establishing a baseline of trust in voice communications. By attaching a digital signature to calls, the framework helps confirm that a calling number has not been spoofed and that the caller is authorized to use the phone number. However, STIR/SHAKEN has limitations, most notably that it only verifies the calling number, not the identity of the caller, leaving room for impersonation and fraudulent activity to persist.
This gap has created a persistent trust problem that has become more visible as scammers exploit legitimate numbers or pass authentication checks. As a result, consumers remain cautious, and carriers continue to rely heavily on analytics-based spam labeling, which can mistakenly flag legitimate calls. For enterprises, this disconnect translates into missed connections, reduced engagement, and ongoing exposure to brand impersonation. To truly restore trust, the industry must move beyond number validation to verify who is actually calling.
In response to the ongoing fraud and declining trust, the FCC is advancing a stronger regulatory framework that combines stronger identity verification with enhanced caller information. It centers on two requirements:
The FCC is also promoting the use of Rich Call Data (RDC) to deliver verified caller identity information directly to end users. Proposed rules would require providers to transmit verified details, such as business name, logo, and even call purpose, to consumers’ devices when authentication indicators are displayed.
This represents a fundamental shift in how trust is established in the voice ecosystem. Instead of simply validating that a number is legitimate, providers are being pushed to validate and present the identity behind the call. The result is a more transparent, user-friendly experience that empowers recipients to make informed decisions about which calls to answer and enables enterprises to reestablish credibility with their customers.
Enterprise adoption of a trusted calling is no longer an optional bonus, but a core business requirement for maintaining customer engagement and protecting revenue. Trusted calling delivers measurable business value by aligning communication strategies with both customer expectations and regulatory mandates.
CallTower extends the trusted calling initiative with Spam Blocking powered by Mutare, adding a practical layer of protection that helps enterprises stop unwanted and malicious calls before they reach employees or customers. Rather than relying solely on endpoint filtering, the solution operates at the network edge and combines STIR/SHAKEN caller authentication with real-time threat intelligence to identify suspicious activity earlier in the call path.
This approach strengthens trusted calling by helping organizations reduce spam mislabeling, limit fraud exposure, and protect brand integrity while improving productivity. With capabilities such as centralized policy controls, live traffic monitoring, SIEM integration, and a monitor-only mode for baselining before enforcement, CallTower gives enterprises a more proactive way to secure voice communications and maintain confidence in the channel.
Trusted calling is quickly becoming a defining requirement for any organization that depends on voice to engage customers, protect its brand, and support critical business outcomes. As FCC expectations evolve beyond number authentication toward verified identity, accountability, and richer caller information, enterprises have an opportunity to strengthen both compliance readiness and customer confidence. The organizations that act now will be better positioned to improve answer rates, reduce fraud exposure, and create more transparent, high-trust interactions across every call. With solutions like CallTower’s Spam Blocking powered by Mutare, businesses can move beyond reactive call filtering and take a more proactive approach to securing the voice channel. In a landscape where trust directly influences engagement, trusted calling is no longer just a regulatory issue; it is a competitive advantage.