PCM-2 USB Phone Recorder

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The phone recording software

PCM-2 - Phone recording software

The software records calls automatically and detects DTMF and Caller ID. All outgoing and incoming telephone calls are recorded. Missed calls are also registered.

State of the art graphical user interface allows you to search and listen to recordings quickly and comfortably, thus saving you time.

Moreover, the software features digital signal processing (DSP), automatic gain control (AGC), control of playback speed and hum removal filter for improving of voice intelligibility.

Additionally, recorded calls can be played back at the same computer where recording is done or remotely over the Internet using only your web browser.

Here are some of the features of the USB Phone Recorder software:

  • Record 2, 4, 6, or 8 telephone lines per PC
  • Record incoming, outgoing and missed calls automatically
  • High-quality digital recording
  • Detect DTMF and Caller ID
  • Store calls in a protected database
  • Allow adding of memos to recordings
  • State of the art interface for playback of recordings featuring:
    • Visual representation of calls (audio waveform)
    • Control of playback speed (speed up/slow down playback)
    • Automatic leveling of audio signal of both parties
    • Successive playback of multiple calls
  • Remote playback over the Internet with a standard web browser
  • Searching of records by all fields:
    • Caller ID
    • Dialed phone number
    • Date and time of call
    • Call duration
    • Call type (incoming, outgoing)
    • Ring duration
  • Built-in address book
  • Export calls to audio files
  • Individual configuration for all channels:
    • Input volume level
    • Record activation threshold
    • Wideband/narrowband recording
    • Automatic leveling of audio signal of both parties
  • Compress recordings in database (1000 hours uninterrupted recording takes 30 GB disk space)
  • Automatic deletion of old records
  • Configurable record activation criteria
  • DC offset correction
  • Digital filter for improvement of playback quality with noisy telephone lines.
  • Automatically delete old recordings
  • Stealth mode (Silent recording without icons in task bar or system tray)
  • Compatible with Windows XP, Windows Vista and Windows 7
  • Multi-language user interface: English, Russian, French, Italian, Spanish, Bulgarian, Romanian, Serbian, Turkish
    Languages supported by USB Phone Recorder

System requirements

The call recording software is compatible with Windows XP, Windows Vista and Windows 7.

The phone recording adapter

PCM-2 USB Phone Recorder

The phone recording adapter records analog audio signal from 2 telephone lines. Multiple adapters can be connected to one PC (up to 4 adapters - a total of 8 recording channels). For example, if you want to record six telephone lines you need to connect three PCM-2 USB adapters to the recording PC.

  • Connecting to the telephone line
    PCM-2 USB connects to the telephone lines in parallel. It has a high impedance telephone line interface with a RJ-11 jack (6P4C) for recording of two telephone lines. Pins #3 and #4 (middle two pins) are used for connection to the first telephone line. Pins #2 and #5 are used for connection to the second telephone line. The package also includes two RJ-11 telephone line splitters and two RJ-11 cables.
Connection scheme for PCM-2 USB Phone Recorder
  • Connecting to the PC
    PCM-2 USB has also a USB cable (type A) for connection to the USB port of the PC. The device requires no drivers under Windows XP/Vista/7. Up to 4 recording adapters (a total of 8 recording channels) can be connected to one PC.

Example scheme showing all possible ways to connect to a Private Branch Exchange

Example connection to Private Branch Exchange

Mechanical specification

  • Dimensions: 85 x 58 x 23 mm
  • Weight: 0.125 kg

Technical specification:

  • PC interface:
    • USB 1.1 Full Speed
    • USB cable: 1m, A type
    • USB-IF Certified USB controller
  • Phone interface:
    • Two high-impedance telephone line inputs
    • Voltage isolation: 50 Hz, 3880 Vrms, DC 5500 V
    • DC resistance: > 350 MΩ
    • AC impedance: > 10 KΩ
    • Configurable input level: 100 mV to 775 mV
    • IEC 60950 and VL60950 certified



  1. 2 channels
  2. 4 channels
  3. 6 channels
  4. 8 channels


Type of service: replacement of defective device

Warranty: 12 months


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Price: €198.00