Browse all articles, guides, and news

Here’s What a Toll-Free Number is and Why You Need One

What is the PSTN and how does it affect your business?

By Emily Bowen

Florida 813 Area Code Gets New Overlay

By Fiona McDonnell

Telnyx Public IPs: Powering IoT Connectivity

Complete guide to SIP lines and channels

Inbound SIP Trunks vs Outbound | Business Guide

The Real Difference When it Comes to SIP Trunk vs PRI

SIP trunking and DID: Everything you need to know

SIP Trunk Encryption - Guide to Secure SIP Trunking

Enjoy low-latency calling with AnchorSite®

By Fiona McDonnell

STIR/SHAKEN, what do you need to know?

By Emily Bowen

Telnyx Recommends Joining the Industry Traceback Group

By Fiona McDonnell

Why Fax is here to stay

By Fiona McDonnell

On-Demand Webinar: Call Tracking with the Telnyx SDKs

SIP vs. VoIP: Similarities and differences

By Emily Bowen

VIDEO: Build an SMS Appointment Reminder Application

How to get a VoIP number: A step-by-step guide

By Kelsie Anderson

What is a VoIP number, and how do they work?

By Fiona McDonnell

What does non-fixed VoIP mean?

By Fiona McDonnell

Is fixed VoIP the right choice for your business?

By Fiona McDonnell

Voice analytics tools: building blocks for AI

RCS business messaging API fact sheet

What is SMS Marketing? Guide to Strategy and Success

What is SMS? How short message service works

By Emily Bowen

SMS vs. MMS: Key differences explained

By Emily Bowen

Mass text messaging: How to get started with Telnyx

By Emily Bowen

SMS Delivery: Maximizing Efficiency and Reach

By Emily Bowen

VIDEO: How to Build a Call Center with Python and TeXML

Meet Verify: Our new API for Two Factor Authentication

[Webinar] Masked-Number Calling with the Telnyx SDKs