Grandstream HT503

SIP accounts: 2 SIP profiles
FXS Ports: 1
FXO Ports: 1
Ethernet Ports: 2 Fast Ethernet Port (10/100 Mbps)
PoE compliant: No
DHCP Client/Server: Yes, NAT Router or Switched mode
AC Adapter included: Yes

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.