Grandstream Ht813 1 Port Fxs 1 Port Fxo Ata
GRANDSTREAM HT813 1 PORT FXS 1 PORT FXO ATA The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port. The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The integration of a FXO and FXS port enables this hybrid ATA to support remote calling to and from the PSTN line. For added flexibility, the FXS port extends VoIP service to one
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