Grandstream HT503 1-FXS/1-FXO Port Analog Telephone Adapter

  • $55.00
  • Save $24 Off Retail Price


 Grandstream GXW-4104 logo

GrandStream HT503 1-FXS/1-FXO Port Analog Telephone Adapter:

  • 1 FXS telephone port (RJ11), 1 FXO PSTN line port (RJ11) with power-outage life line support
  • Up to 2 SIP account profiles, SIP over TCP/TLS, SRTP
  • Dual 10/100 Mbps network ports (RJ45) with integrated high performance NAT router
  • Status LED for power, telephone, PSTN line, network, and message waiting indication
  • Advanced telephony features
  • Comprehensive voice codecs
  • HT503 1-FXS/1-FXO offers secure and automated provisioning using HTTP/HTTPS/Telnet/TFTP
  • Symmetric and asymmetric voice codec/RTP in any call sessions
  • T.38 Fax
  • SIP over TCP/TLS
  • IP connectivity for any phone and fax
  • Hop-on/Hop-off calling
  • Web management for easy configuration and installation
  • HT503 1-FXS/1-FXO offers traditional and advanced telephony features
  • Portable and compact for use at home or on the road
  • GSHT503

GS HT503 User Guide

GS HT503 User Manual