HandyTone 503 Integrated Access Device

HandyTone 503 (HT503) Integrated Access Device Specifications

- 1 FXS telephone ports (RJ11), 1 FXO PSTN line ports (RJ11) with power-outage lifeline support 
- Dual 10M/100Mbps network port (RJ45) with integrated high performance NAT router
- Status LED for power, telephone, PSTN line, network ports and message waiting indication
- Advance telephony features including caller ID from both IP and PSTN, call waiting, 3-way conference with IP and/or PSTN, remote call origination and termination from/to PSTN, hop-on and hop-off calling, transfer to IP or PSTN, forward to IP or PSTN, do not disturb, message waiting indication, multi-language voice prompts, T.38 fax, flexible dial plan, direct IP calling
- Comprehensive voice codecs including G.711 (a/u-law), G.723.1, G.726 (40/32/24/16), G.729A/B/E and iLBC
- Secure and automated provisioning using HTTP/HTTPS/Telnet/TFTP
- Up to 2 SIP accounts profiles, SIP over TCP/TLS
- Symmetric and asymmetric voice codec/RTP in any call sessions