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VOIP Telephones

Voice over IP Phones offered by J. Darin Thomas Technology LLC.

Grandstream HandyTone HT503 ATA/IAD

Grandstream HandyTone HT503 ATA/IAD

MSRP: $95.00

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



$95.00 $90.00

Grandstream HandyTone 502 (HT502) Analog Telephone Adaptor

Grandstream HandyTone 502 (HT502) Analog Telephone Adaptor

MSRP: $79.00

The HT502 is a powerful VoIP router. The inclusion of an integrated high performance NAT router and 10Mbps Ethernet WAN and LAN ports enables a shared broadband connection between multiple ethernet devices. In addition to being SIP 2.0 standard compliant, the product supports Universal Plug-in-Play (UPnP), up to 2 SIP account profiles, and advanced telephony features. Enhanced security. Automated provisioning using symmetric and asymmetric voice. Support for a broad range of popular voice codec.


$79.00 $75.00

Grandstream GXV3275 - 6 Line IP Multimedia Video Phone With 7" Touch LCD

Grandstream GXV3275 - 6 Line IP Multimedia Video Phone With 7

This product is a replacement for:
Grandstream - GXV3175 IP Multimedia Phone (GXV3175)

  • Line Keys - 6 lines with up to 6 SIP accounts
  • Speaker Phone - full-duplex hands-free speakerphone
  • Ethernet Connectivity - Dual switched auto-sensing 10/100/1000Mbps network ports
  • Display Type - 7
  • QoS - Layer 2 QoS and Layer 3 (ToS, DiffServ, MPLS) QoS
  • Camera - Tiltable mega pixel CMOS camera with privacy shutter
  • Protocol - SIP RFC3261
  • Package Content - GXV3275 phone, handset with cord, base stand, universal power supply, network cable, lens cleaning cloth, quick installation guide, brochure, GPL license
The powerful GXV3275 combines a comprehensive 6-line IP video phone with a multi-platform video conferencing solution and the user experience of an Android tablet to offer an all-in-one voice, video, data, and mobility solution. The GXV3275 is a 6-line IP multimedia phone with a 7" capacitive touch screen that runs the Android Operating System, offering full access to the hundreds of thousands of Android apps in the Google Play Store - including business productivity apps such as Skype™, Microsoft Lync™, Salesforce1™, and GoToMeeting™. The phone features Gigabit ports, HD audio and HD video, a built-in web browser, integrated Wi-Fi for network flexibility, PoE, and a tiltable CMOS camera. The GXV3275's integrated Bluetooth allows users to sync the calendar and contact books on their mobile phones with the GXV3275, to use Bluetooth headsets, and to transfer calls to and from the GXV3275 to their mobile phones. By combining a state-of-the-art IP phone, an advanced video conferencing solution, and the functionality of a tablet, businesses throughout the world can now use the GXV3275 for all communication and productivity needs.
$319.00 $310.00

Grandstream GXP2170 Enterprise HD IP Telephone

Grandstream GXP2170 Enterprise HD IP Telephone

  • Line Keys - 12 line keys with up to 6 SIP accounts
  • Speaker Phone - HD speakerphone with support for wideband audio
  • Ethernet Connectivity - 2 x 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
  • Display Type - 4.3 inch (480x272) TFT color LCD
  • Headset Support - RJ9 headset jack (allowing EHS with Plantronics headsets)
  • Protocols - SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS and more
  • QoS - Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
  • Warranty - 1 Year
The GXP2170 is a powerful enterprise-grade IP phone that is ideal for busy users who handle high call volumes. This top-of-the-line Enterprise IP Phone features up to 12 line keys/line appearances and 6 SIP accounts using 4.3 inch color display LCD and full HD audio.
$159.00 $150.00


Grandstream Networks is a manufacturer of IP voice/video telephony and video surveillance solutions. Grandstream serves the SMB with innovative products that lower communication costs, increase security protection and enhance productivity. Their open standard SIP-based products offer broad industry interoperability and price-performance competitiveness. NETXUSA is an official Grandstream distributor providing full support for their entire product line.

Grandstream VoIP and ATA.

Bridge your legacy analog telephone services and equipment with VoIP digital services and equipment.

Video telephones by Grandstream.

Grandstream Video Conferencing Systems

This family of high-definition Digium IP phones is designed for the greatest interoperability with Asterisk or Switchvox.

These phones fully leverage the power of Asterisk, the world’s most widely adopted open source communications software, and Switchvox, Digium’s award-winning Unified Communications (UC) system. With Digium technology on both the server and the phone, customers will benefit from the best possible performance, unprecedented integration and a uniquely customizable phone system – all at an extremely competitive price.

Jacksonville, Florida

Destin, Florida