
04 Line USB Voice Logger
The 04 Line USB Voice Logger (AVL-U4B) is a PC-based call recording solution designed to record conversations across four telephone lines via USB. Its user-friendly software supports call monitoring, playback, advanced search, filtering, and call log management, helping businesses efficiently organize and retrieve important recordings.
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04 Line USB Voice Logger Features
- Multi-System Compatibility – Supports POT/analog telephone lines, PBX extensions, and radio-analog systems, with compatibility for major PBX platforms including Cisco, Avaya, Nortel, Mitel, Panasonic, Matrix, and NEC.
- Automatic Call Recording – Records incoming and outgoing calls automatically in compressed .WAV format, helping optimize storage while maintaining the call recording database.

- Live Call Monitoring – Allows supervisors and team leaders to monitor ongoing calls in real time by selecting a specific agent or extension.
- Continuous Recording – Circular recording automatically manages stored recordings when the hard disk reaches capacity, enabling uninterrupted operation.
- Advanced Call Management & Reporting – Provides detailed records of incoming, outgoing, missed, and unanswered calls, with options to view, print, analyze, and generate reports.
- Crystal-Clear Audio – Automatic Gain Control (AGC) and Auto Echo Cancellation help deliver clear and consistent voice recordings.
- Advanced Search, Notes & Flagging – Quickly find recordings using phone number, date, time, customer/company name, tags, or comments. Important calls can be flagged and annotated with notes.

- LAN-Based Multi-User Access – Client software supports multiple PCs connected over a LAN, with user-level access controls for supervisors, managers, and authorized users to review recordings and generate reports.
- Backup & Third-Party Integration – Supports FTP backup and automatic archiving, with integration options for third-party databases such as MySQL, MS SQL, and MS Access.
- CMS, Alerts & Excel Export – Compatible with Aegis Centralized Management Software (CMS) for multi-location environments. System alerts help prevent recording interruptions, while call reports can be exported to Excel for daily, weekly, or monthly analysis.
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HOW AVL-U4B VOICE LOGGER - CONNECT TO TELEPHONE LINE OR PBX EXTN


04 Line USB Voice Logger Technical Parameters


04 Line USB Voice Logger ONE SOLUTION FOR EVERY INDUSTRY.




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