Welcome to the IP Phone Warehouse blog! Find the latest VoIP, Video Conferencing, IP Camera and other IP product industry news and new product releases. We write detailed how-to’s and simple tips-and-tricks for deploying and troubleshooting your IP communications and IP surveillance equipment. Our experts make product recommendations and provide best practices to help ensure your business and technology products are running optimally.
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What’s the Difference Between VoIP Cards and VoIP ATA Adapters?
Jay Brant • Jan 21, 2026
We’ve been helping businesses with VoIP for two decades. Over that time, VoIP has changed a lot.
But one thing that hasn’t changed is that people want to integrate existing analog devices into VoIP systems.
While the PSTN has largely been superseded by VoIP and cellular telephony, there are still a great number of analog devices like telephones and fax machines that
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Answers about VoIP ATA Adapters
Jay Brant • Dec 12, 2025
Not all VoIP devices are VoIP devices.
Wait, what?
If you use an adapter, you can bring analog devices into your VoIP phone system. For phones, the device you use is called an ATA.
In this blog, we answer many frequently asked questions about VoIP ATA Adapters.
Let’s get into it!
Grandstream HT801 v2
VoIP ATAs
We’re going to start with the most basic of basics:
Wha
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Can you use analog phones on a VoIP phone system?
Jay Brant • Jul 28, 2022
If you already have a large fleet of analog phones but you want a modern VoIP phone system, do you need to replace all your phones? No.
You can integrate analog phones into a VoIP phone system using
ATAs and VoIP Gateways.
In this blog, we cover the basics of what ATAs and gateways are.
ATAs & Gateways: How to connect analog phones to a VoIP phone sy
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