Phone Number Lookups: Why Your Contact Data Is Lying to You
40-60% of your CRM phone numbers could be bad. Here's how Tells Data Lookup APIs clean your list before it tanks deliverability, burns budget, or creates compliance risk.
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324 articles
Voice AI Agents: Why Latency & Realism Make or Break Conversion
Latency kills voice AI conversions before your script ever gets a chance. Here's what we learned building Tells Voice AI to respond in under 900ms, and why realism matters just as much as speed.
The Weekly Signal — Week of June 29, 2026
This week: FCC Pushes TCPA Revoke-All Rule to January 2027 — But Don't Get Comfortable, iOS 27 Beta Adds Native Emoji Reactions and Inline Replies to Cross-Platform RCS, SMS Firewalls Are Reshaping A2P Economics as MNOs Move from Passive Carriers to Gatekeepers.
Why We Built Tells.co Into HighLevel - and What It Means for Your Agency
Tells.co is now available as a selectable messaging provider inside HighLevel, giving agencies stronger SMS delivery without changing their workflows.
Opt-In Best Practices: 7 Ways to Build a TCPA-Compliant Subscriber List
Seven opt-in patterns that satisfy TCPA compliance and carrier review, plus what Gideon validates before your SMS program ever goes live.
Phone Intelligence: The Missing Data Layer in Insurance Lead Buying
Insurance teams do not have a dialing problem. They have a phone data problem. Bad numbers, VoIP burners, duplicates, and mismatched contacts are burning agent hours and compliance budgets before the first call even connects.
The Weekly Signal — Week of June 22, 2026
This week: California Accuses AT&T of Lying to FCC Over Copper Network Shutdown, TCPA Lawsuit Filings Up 28.2% in First Four Months of 2026, Singtel Becomes First Singapore Telco to Enable RCS Across iPhone and Android.
RCS Verified Sender Badges: The Trust Signal That Doubles Open Rates
RCS verified sender badges show your logo, name, and a checkmark in every thread. Here's how they double open rates and how Tells gets your brand verified fast.
The Weekly Signal — Week of June 15, 2026
This week: SlickText Launches RCS Support with Verified Sender Profiles, Liberty Latin America Picks BTS as Exclusive A2P Messaging Partner Across All Markets, Tells Debuts RCS Business Messaging for Verified Branded Senders.