Techniques
17 articles
Anatomy of a Spam Report: From the Red Button to the Blacklist
What happens between the moment a user taps 'Report as spam' and when your number gets blacklisted? Technical breakdown of the complete report journey: collaborative databases, scoring algorithms, and machine learning.
SIP Trunking and Phone Reputation: Technical Guide for IT Directors
SIP trunking is the invisible backbone of enterprise telephony. Poorly configured, it can destroy your phone reputation and get your numbers blacklisted. This technical guide covers best practices for IT directors: provider selection, SBC security, encryption, and STIR/SHAKEN integration.
AI Voice and Speech Synthesis: Call Centers Face the Authenticity Challenge
The call center AI market will reach $4.89 billion in 2026. Between voice agents and vocal deepfakes, call centers must rethink authenticity.
The Callback Paradox: Why Returning Prospect Calls Can Get You Blacklisted
A prospect calls and hangs up. You call back immediately. Mistake: this reflex can get you reported as spam. Analysis of a counter-intuitive phenomenon and how to avoid it.
Robocall Detection: How to Detect Automated Calls in 2026
Discover robocall detection technologies: STIR/SHAKEN, SIP Analytics, ML, and CAPTCHA. Complete guide to protect your business from automated fraudulent calls.
Implementing STIR/SHAKEN: A Technical Guide for IT Leaders
Complete technical guide to implementing STIR/SHAKEN and the French MAN: A/B/C attestation levels, IPBX configuration, IT leader checklist and impact on your answer rates.
B2C Phone Prospecting France 2026: Scripts That Work
In 2026, French consumers pick up and hang up within 10 seconds. Discover B2C phone scripts that actually work with consumers transformed by COVID, inflation, and scams.
Analyzing Unanswered Calls: Beyond Spam
Your prospects don't answer? Spam isn't the only cause. Discover the 7 factors impacting your answer rate and how to diagnose them.
Geographic vs Mobile Numbers: Impact on B2C Reachability
Geographic, mobile or VoIP? Discover how your phone prefix choice directly impacts answer rates and B2C reachability.
New Phone Number Warm-Up: Complete Protocol to Avoid Immediate Blacklisting
Complete warm-up protocol for new numbers: 4 phases, daily volumes, and KPIs to avoid blacklisting from activation.
Predictive vs Progressive Dialer: Impact on Spam Reports & Answer Rates 2026
Predictive or progressive dialer? Learn how your auto-dialer choice impacts spam flagging rates, caller reputation, and answer rates in call centers.
How Recycled Numbers Inherit a Bad Reputation
Just got a new number and it's already flagged as spam? That's the recycled number problem. Understand and solve this phenomenon.
How Many Calls Per Day Before Getting Flagged as Spam? Real Thresholds 2026
50, 200, or 500 calls/day: what volume triggers spam detection? Real algorithm thresholds and tips to protect your business numbers.
Phone Reputation Score Explained: How Carriers Calculate Spam Risk
How phone reputation scores are calculated by carriers and anti-spam apps. Key factors, common mistakes, and strategies to improve your score.
Number Rotation: Good or Bad Idea?
Is number rotation a miracle solution or a trap? Analysis of benefits, risks and best practices to protect your prospecting.
Why 06 Numbers Are Flagged as Spam More Than 01 Numbers
Mobile numbers (06/07) are much more often flagged as spam than landlines (01-05). Analysis of causes and strategies to protect your reputation.
How Phone Spam Detection Works in 2025
Algorithms, machine learning, collaborative databases... Discover the technologies that detect and block spam calls on your phone.