Are you a Yupifon member?

Complete the following form and Start to visualize all your account movements.
So you can have the total control of your calls.

Enjoy this great tool

User:
Password:
Home | Español | On Sale | Contact Us | Support | FAQ | My Account
San Antonio, Txs: 1(210)588-0238
 
HandyTone 503 ATA/IAD
$ 49.94dls

HandyTone 503 ATA/IAD

HT503 VoIP Adapter

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

HT503 VoIP Adapter Overview
HandyTone HT503 VoIP Adapters/IAD series offers a comprehensive line of affordable VoIP access devices based on Grandstream’s innovative and proprietary technology platform. The Grandstream HT503 offers the entry-level IP Telephony user superb audio quality, rich functionalities, interoperability with the leading 3rd party VoIP providers, and compatibility with most service providers. The Grandstream HT503 is compact, works with any PSTN or cordless phone and fax machines and offers the simplicity of plug and dial, making it ideal for the basic IP telephony user.

 
  • Features & Benefits

  • 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

Protocols/Standards SIP RFC3261, TCP/IP/UDP, RTP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, TR-069, 802.1x
 Networking Interfaces Single 10/100Mbps port, integrated PoE (GXP1105 only)
Feature Keys

1 SIP account, 4 programmable keys, 7 dedicated function keys for HOLD, FLASH, TRANSFER, MUTE, VOLUME, SEND and MESSAGE (with LED indicator)

 Voice Codec

Support for G.723.1, G.729A/B, G.711µ/a, G.726-32, G.722 (wide-band), iLBC, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO

Telephony Features Hold, transfer, forward, 3-way conference (via programmable key), call waiting, off-hook auto dial, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones, server redundancy and fail-over
HD Audio

Yes, HD handset with support for wideband audio

 Base Stand Yes, 1 angle position available
 
ATA´s 1 and 2 lines
ATA´s Multiline
IP-Phones
IP-PBX
Choose any of our
International Phone
Numbers (DID)
and connect your
business to the world.

Read More
 
 
Encrypted
Telephone Lines!!!
$1dls/month per office

Read More