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Grandstream ATA-503 Analogue Adaptor

Grandstream
Grandstream
Grandstream ATA-503 Analogue Adaptor GSATA503
Grandstream ATA-503 Analogue Adaptor
£
£45.00
£54.00 inc. VAT
45.00 New In stock 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 Grandstream Adaptors Comparison Table FXS (Analog Phone) FX0 (PSTN) RJ-45 Internet (WAN) RJ-45 Ethernet (LAN) HT801 1 0 1 0 HT503 1 1 1 1 HT802 2 0 1 0 HT812 2 0 1 1 HT814 4 0 1 1
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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

Grandstream Adaptors Comparison Table

FXS (Analog Phone) FX0 (PSTN) RJ-45 Internet (WAN) RJ-45 Ethernet (LAN)
HT801 1 0 1 0
HT503 1 1 1 1
HT802 2 0 1 0
HT812 2 0 1 1
HT814 4 0 1 1
  • 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

  • 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 OR forward to IP or PSTN,
  • do not disturb,
  • message waiting indication,
  • multi-language voice prompts,
  • flexible dial plan, direct IP calling
  • 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

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Need more support? Click on the links below:

503 Quick Start Guide (pdf)

503 User Manual (pdf)

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