Click Fraud Grandstream HandyTone 503 Analog Telephone Adapter
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Grandstream Handytone HT503 Analog Adapter

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SKU:HT503

Grandstream Handytone HT503 Analog Adapter

The Grandstream HandyTone HT503 is a powerful, affordable, high quality, and manageable analog adapter for residential users. Its compact size, excellent voice quality, packed feature functionality, and affordability, enable you to maximise the power of IP voice and data connectivity.

Grandstream HandyTone HT503 Key Features:

  • 1 FXS analog telephone ports (RJ11), 1 PSTN line FXO port, dual 10/100 Mbps ports with integrated NAT router
  • 3-way voice calling
  • Supports up to 2 SIP accounts
  • Advanced telephony features
  • Status LED indication

The HandyTone 503 is based on SIP standard and is interoperable with most 3rd party SIP compliant devices and software. It also 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 HT503 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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