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Grandstream HandyTone HT503 VoIP ATA 1 FXS and 1 FXO Port

SKU: HT503
Grandstream HandyTone HT503 VoIP ATA 1 FXS, 1 FXO Port
Ethernet Speed
In stock
Package Contents
The Grandstream HandyTone HT503 offers the next generation of powerful, affordable, high quality and manageable VoIP 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 multi language voice prompts and transfer to or forward to IP or PSTN
  • 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
Manufacturer's Product CodeHT503
Telephony Interface1 FXS telephone port (RJ11); 1 FXO PSTN line port (RJ11) with lifeline support
Network Interface2 10/100Mbps Ethernet Ports with integrated NAT Router
Telephony FeaturesCaller ID display or block, call waiting with Caller ID, flash blind or attended call transfer, hold, call forward, do not disturb, 3-way conferencing
Fax over IPT.38 compliant group 3 Fax Relay up to 14.4kbps, Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 relay
Short/Long Haul Ring Load3REN up to 150ft on 24AWG line
Caller IDBellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect MethodsPolarity Reversal, Busy Tone
QoSLayer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Upgrade/ProvisioningFirmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or encrypted XML configuration file
Power & Green Energy Efficiency12VDC/0.5A
Power Supply12VDC/0.5A PSU
WarrantyStandard 12 Month RTB