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HT841/HT881
- Function: ATA adapter that converts analog phones to IP VoIP
- HD calls: HD sound quality
- Ports:
- HT841 – 1 FXS port
- HT881 – 4 FXS ports
- Network: Ethernet + QoS support
- Compatibility: VoIP PBX and internet calls with SIP protocol
- Management: Configuration via web interface



