Grandstream HT503 Analog Adapter offers the next generation of powerful, affordable, high quality and manageable IP telephony ATA/IAD. The integration of a FXO and FXS port enables remote call origination and termination to and from the PSTN line, known as "hop-on and hop-off" calling. This functionality coupled with its compact size makes it an ideal solution for road warriors seeking the savings and benefits of voice-over-ip communication.
Based on SIP standard and interoperable with most 3rd party SIP compliant devices and software
Dual 10M/100Mbps network ports, port status and message waiting LED, and a base stand for vertical positioning
Traditional and advanced telephony features including mutli language voice prompts and transfer to or forward to IP or PSTN
Feature:
- 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
- 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
- Offers traditional and advanced telephony features
- Portable and compact for use at home or on the road.
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