Grandstream Networks HT813 ATA w/ One (1) FXS & One (1) FXO port
by Grandstream
Save 28%
Original Price
$109.00
Current Price
$78.99
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Request a Quote →The Grandstream HT813 is a hybrid analog telephone adapter that combines one FXS port and one FXO port, so an analog phone can use VoIP while a PSTN landline stands by as a backup. It is a smart choice for sites that want VoIP savings without losing landline reliability.
The FXS port connects an analog phone or fax to VoIP, while the FXO port connects an analog PSTN line to VoIP. If power fails, the HT813 hard-relays the phone directly to the PSTN line, keeping a lifeline available for emergencies.
Key specifications
- One RJ11 FXS port for an analog phone or fax, plus one RJ11 FXO port for a PSTN line
- FXS connects an analog phone to VoIP; FXO connects an analog PSTN line to VoIP
- PSTN lifeline: the FXS port hard-relays to the FXO port during a power outage
- Dual 10/100 Mbps RJ45 ports
- Voice codecs including G.711, G.723.1, G.729A/B, G.726-32, iLBC, and Opus
- T.38 Group 3 fax relay up to 14.4 kbps with auto-switch to G.711 fax pass-through
- Caller ID: Bellcore Type 1 and 2, ETSI, BT, NTT, and DTMF-based
- Strong AES encryption with a per-unit security certificate and SRTP
Authorized, warrantied, and shipped warehouse-direct from Javelin Networks.