| Grandstream HandyTone 503 Analog Telephone Adapter (HT503) |
 Grandstream HandyTone 503 Analog Telephone Adapter (HT503) The Grandstream 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. New: Quantity This product is eligible for 2 Year Platinum Protection! Grandstream HT503 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 Web management for easy configuration and installation Offers traditional and advanced telephony features Portable and compact for use at home or on the road Price: 49.00 |