The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port.
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The HT814 is an advanced 4-port VoIP gateway with 4 FXS ports and an integrated Gigabit NAT router.
The HT814 v2 is an advanced 4-port VoIP gateway with 4 FXS ports and an integrated Gigabit NAT router.
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