Grandstream HT503

The HandyTone 503 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

Features

• 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
• Offers traditional and advanced telephony features
• Portable and compact for use at home or on the road

Specifications