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Grandstream Handytone HT503 Analog Adapter

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SKU HT503
£54.30 exc. VAT
£65.16 inc. VAT
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Grandstream Handytone HT503 Analog Adapter

The Grandstream HandyTone HT-503 is the next generation of powerful, affordable, high quality and manageable IP telephony ATA/IAD for residential users and road-warriors. Its compact size, excellent voice quality, packed feature functionality and best-in-class price-performance point enable consumers to maximize the power of IP voice and data connectivity.

Grandstream HandyTone HT-503 Key Features:

  • 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

The HandyTone 503 is based on SIP standard and interoperable with most 3rd party SIP compliant devices and software. It features 1 FXS telephone port, 1 FXO PSTN line port, dual 10M/100Mbps network ports, port status and message waiting LED, and a base stand for vertical positioning.

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
  • SIP INFO

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

To see the whole specification please view our datasheet at the top of the page.

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