How to Adjust DSP Parameter for Echo and low voice issue

This document describes how to troubleshoot and eliminate echo where possible in IP Telephony networks with DINSTAR FXO gateways. PSTN Phone User Hears Echo The solution is to adjust IP to PSTN Gain value. IP side User Hears Echo The solution is to adjust PSTN to IP Gain value. Troubleshoot echo problem with firmware version […]

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