Grandstream - HT503 - Combo 1FXO and 1FXS ATA

Stok: Tersedia

Rp 1.098.900,00


"1FXS+1FXO(PSTN) with lifeline support when power outage and integrated NAT router"
The HT503 is a hybrid Analog Telephone Adapter (ATA) and VoIP Router. It features both an FXS (analog telephone) port and an FXO (PSTN) port so you can have backup lifeline support using a PSTN line in the case of a power outage. It also integrates 2x10/100 RJ45 ports with an integrated high performance NAT router.

Grandstream - HT503 - Combo 1FXO and 1FXS ATA

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Product Overview

The HT503 is an analog telephone adapter featuring 1 analog telephone FXS port and 1 PSTN line FXO port. 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. The 1 FXS port allows for extension of a VoIP service to 1 analog phone. In addition to being SIP compliant, the product features support for up to 2 SIP account profiles, excellent voice quality and advanced telephony features

Grandstream HandyTone HT-503 Key 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


Grandstream HandyTone HT-503 Technical Specification

Telephone Interfaces

  • 1 FXS port (RJ11)
  • 1 FXO PTSN line port (RJ11) with lifeline support

Network Interfaces

  • Two 10M/100Mbps ports (RJ-45) integrated NAT router and auto-detection and support for either straight through or crossover cables

LED Indicators

  • Power, WAN, LAN, PHONE1 and LINE

Telephony Features

  • Caller ID display or block
  • Call waiting with caller ID
  • Flash, blind or attend call transfer
  • Hold
  • Call forward
  • Do not disturb
  • 3-way conferenceing

Voice Codec

  • G.711 Annex I (PLC)
  • Annex II (VAD/CNG format)
  • G.723.1A
  • G.729A/B/E
  • G.726-40/32/24/16
  • iLBC

IP Signalling

  • SIP (RFC 3261)
  • SIP over TCP/TLS
  • Up to 2 SIP account profiles
  • Symetric and Asymetric RTP/codec in any call sesions

DTMF Method

  • RFC2833

Universal Power Supply

  • Output: 12VDC, 0.5A
  • Input: 100-240 VAC, 50-60 Hz

Size and Weight

  • Laying Flat: 25mm x 115mm x 75mm (H x W x D)
  • Standing up: 115mm x 25mm x 75mm (H x W x D)

Caller ID

  • REN3: Up to 150ft on 24 AWG line

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