Attributes

Brand	-
Category	Office Equipment, Supplies & Services / Phone Recording Devices
Origin	-
Model Number	IP1-F
Interface Type	USB 2.0
Hook Control	Software Controlled On/Off
Signal Detection	Polarity Reversal Supported
Development Support	Secondary Development Kit Included
Compatible OS	Windows 10/11, Linux
Audio Format	WAV, PCM
Impedance	600 Ohms
Power Supply	Bus Powered via USB
Package Contents	Voice Box, USB Cable, SDK CD, User Manual

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Perfect for custom call center solutions

The secondary development kit made integrating this into our existing CRM seamless. The polarity reversal detection works flawlessly with our legacy PBX system.

Anonymous

Mar 29, 2026

Rating: 5/5

Robust SDK for enterprise use

The ability to perform secondary development allowed us to build custom analytics on top of the voice data. Polarity reversal handling is accurate, ensuring we never miss call start/stop events.

Anonymous

Mar 26, 2026

Rating: 5/5

Excellent Linux compatibility

Rare to find telephony hardware that plays nice with Linux out of the box. The drivers loaded immediately and the polarity detection triggers our logging scripts perfectly.

Anonymous

Mar 07, 2026

Rating: 4/5

Good value for the features

Setup was straightforward using the provided tools. It does exactly what it says regarding soft hook and signal detection. Wish the casing felt a bit more premium, but functionally it's solid.

Anonymous

Mar 06, 2026

Rating: 4/5

Great hardware, documentation could be better

The soft hook control is very responsive and the audio quality is clear. I deducted one star because the API examples in the SDK are a bit sparse, but support helped me out.

Anonymous

Mar 03, 2026

Rating: 5/5

Reliable for 24/7 recording

We have deployed ten of these units across our office. They run stable for weeks without needing a reset. The software hook feature saves us from buying expensive physical switches.

5 FAQ

Q: Can the soft hook feature disconnect an incoming call automatically?

A: Yes, the software-controlled hook allows you to answer and hang up calls programmatically. This is ideal for automated attendant systems or click-to-dial applications.

Q: What programming languages are supported in the Secondary Development Kit?

A: The SDK includes libraries and sample code for C++, C#, and Python. We also provide DLL files that can be called from most other languages supporting external library imports.

Q: Is there a limit to how many hours of audio can be recorded?

A: The device itself streams audio to your computer in real-time; it does not have internal storage. The recording duration is limited only by your computer's hard drive capacity and file system limits.

Q: Does this device work with VoIP lines or only analog PSTN?

A: The Zipei IP1-F is designed specifically for analog PSTN lines. It connects between the wall jack and your analog telephone. It is not compatible with direct digital VoIP connections without an ATA adapter.

Q: How does the polarity reversal detection help with call logging?

A: Polarity reversal is a signal sent by many telephone exchanges when a call is answered. Our device detects this change instantly, allowing your software to log the exact second a call was picked up, ensuring accurate billing and timing records.

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