Blog
Guides, tutorials, and insights about business phone systems, DID numbers, and SIP trunking.
guides
How to Get a German Virtual Phone Number (+49) — Complete 2026 Guide
Everything you need to know about buying a German phone number: BNetzA requirements, address rules, activation time, and costs.
comparisons
3CX vs FreePBX: Which Is Better for Small Business in 2026?
A detailed comparison of 3CX and FreePBX for small and medium businesses — features, pricing, setup complexity, and which one wins.
guides
What Is an IVR? (And How to Build One in 15 Minutes)
An IVR (Interactive Voice Response) routes callers based on keypad input. Here's what they do, when to use them, and how to build one visually.
guides
How to Port Your Phone Number to a New Provider (2026 Guide)
Everything you need to know about phone number porting — how it works, what it costs, how long it takes, and how to avoid downtime.
guides
Microsoft Teams Direct Routing Setup (Step-by-Step for 2026)
How to enable PSTN calling in Microsoft Teams using Direct Routing and a DIDfarm SIP trunk — without a Microsoft Calling Plan.
guides
How to Buy DID Numbers in Europe (Complete 2026 Guide)
Everything you need to know about buying European DID numbers: pricing, regulatory requirements per country, documentation, and activation times.
guides
How to Set Up a SIP Trunk with 3CX (2026 Guide)
Step-by-step guide to connecting 3CX to a SIP trunk, configuring inbound/outbound routes, and placing your first call in under 10 minutes.
comparisons
Cheapest SIP Trunk Providers in Europe (2026 Comparison)
We compare the pricing, features, and gotchas of the top European SIP trunk providers in 2026 — and explain how to actually calculate the real cost per month.
guides
How to Get a Dutch Virtual Phone Number (+31) for Your Business
A complete walkthrough for businesses wanting a Netherlands phone number — KvK requirements, local address rules, and activation time.
guides
How to Get a Toll-Free Number for Your Business in Europe — Complete Guide
Learn how to obtain toll-free numbers for European markets, including costs, requirements, and setup process for your business.
comparisons
Best Phone Systems for Small Business in Europe (2026)
Compare the top phone systems for European small businesses. From cloud PBX to hosted VoIP, find the right solution for your team.
guides
How to Get a Virtual Phone Number for Your Business
Learn how to get virtual phone numbers for business in 2026. Establish local presence worldwide, support remote teams, and scale communications easily.
guides
DID Numbers vs Regular Phone Numbers: What's the Difference?
Understand the difference between DID numbers and regular phone numbers, and why businesses are switching to DID.
guides
SIP Trunking Explained: What It Is and Why Your Business Needs It
SIP trunking connects your phone system to the outside world over the internet. Learn how it works and why it saves money.
guides
How to Set Up Call Forwarding for International Calls
Forward international calls to any phone number worldwide. Learn how to set up call forwarding with virtual DID numbers.