PBX SIP Trunking Blog

Insights for the
modern IT leader.

Deep-dives into SIP, cloud communications, security, and everything in between.

STIR/SHAKEN Explained: How Call Authentication Protects Your Business Caller ID
Compliance · 5 min read

STIR/SHAKEN Explained: How Call Authentication Protects Your Business Caller ID

Why legitimate business calls get labelled "Spam Likely", how the STIR/SHAKEN attestation framework actually works, and the practical steps that restore your answer rates.

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Editorial Team
Aug 15, 2026
How to Migrate from an On-Premises PBX to Cloud PBX Without Downtime
Cloud PBX · 5 min read

How to Migrate from an On-Premises PBX to Cloud PBX Without Downtime

A practical, phase-by-phase migration plan covering discovery, number porting, parallel running, and cutover — written for teams that cannot afford to drop a single call.

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Editorial Team
Aug 11, 2026
SIP Trunk Security: 9 Ways to Stop Toll Fraud Before It Costs You
Security · 5 min read

SIP Trunk Security: 9 Ways to Stop Toll Fraud Before It Costs You

Toll fraud losses are measured in tens of thousands per incident and usually happen over a weekend. Here are the nine controls that stop it, ordered by how much protection each one buys.

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Editorial Team
Aug 08, 2026
E911 Compliance for VoIP: What Kari's Law and RAY BAUM's Act Require
Compliance · 5 min read

E911 Compliance for VoIP: What Kari's Law and RAY BAUM's Act Require

Two federal laws changed what every US business phone system must do when someone dials 911. Here is what they require, who is liable, and how to verify your system complies.

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Editorial Team
Aug 04, 2026
Building a Call Centre on Cloud PBX: Queues, Agents and Reporting That Actually Work
Cloud PBX · 6 min read

Building a Call Centre on Cloud PBX: Queues, Agents and Reporting That Actually Work

How to design ACD queues, agent tiers and wallboard metrics that improve answer rates — including the queue configuration mistakes that quietly damage customer experience.

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Editorial Team
Jul 31, 2026