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Analog Terminal Adapters

Grandstream HT813

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.

Grandstream HT813 Analog Telephone Adapter with Fax Support for VoIP Telephony
  • Supports 2 SIP profiles through 1 FXS port and 1 FXO port.
  • Dual 100Mbps LAN and WAN ports.
  • Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage.
  • 3-way voice conferencing per port.
  • Automated & secure provisioning options using TR069.
  • Supports T.38 Fax for reliable Fax-over-IP.
  • Failover SIP server automatically switches to secondary server if main server loses connection.
  • Strong AES encryption with security certificate per unit.
Compatible with:
  • All 101VOICE IP Phone models.
  • All Polycom VVX IP Phone models.
  • Cisco SPA303G, SPA504G and SPA525G2.