Insights

Established VoIP Provider Deltathree has a long-standing presence in the VoIP industry, offering comprehensive cloud-based telephony solutions since 1996, making it a reliable partner for companies seeking proven communication technology.

Diverse Customer Channels With both direct-to-consumer services and B2B solutions for service providers and resellers, Deltathree presents multiple avenues for expanding product and service offerings to a broad customer base.

Advanced Technology Stack Utilizing SIP technology, soft switch applications, and comprehensive back-office services, Deltathree is positioned to support scalable, customizable VoIP deployments, appealing to organizations seeking flexible communication infrastructure.

Growth Potential Generating between $10 million and $25 million in revenue with a mid-sized workforce, Deltathree offers opportunities for strategic partnerships to accelerate growth, especially in expanding its reseller and retail channels.

Industry Trends Alignment As VoIP and cloud communications continue to grow globally, Deltathree's established market presence and broad service portfolio make it a promising partner for companies aiming to capitalize on the shift from traditional telephony to internet-based solutions.

Similar companies to Deltathree

Deltathree Tech Stack

Deltathree uses 8 technology products and services including Cloudflare CDN, WordPress, MySQL, and more. Explore Deltathree's tech stack below.

  • Cloudflare CDN
    Content Delivery Network
  • WordPress
    Content Management System
  • MySQL
    Database
  • Google Fonts API
    Font Scripts
  • Font Awesome
    Font Scripts
  • jQuery UI
    Javascript Libraries
  • Google Analytics
    Web Analytics
  • Microsoft ASP.NET
    Web Frameworks

Media & News

Deltathree's Email Address Formats

Deltathree uses at least 1 format(s):
Deltathree Email FormatsExamplePercentage
First.Last@deltathree.comJohn.Doe@deltathree.com
46%
FirstL@deltathree.comJohnD@deltathree.com
6%
First.MiddleLast@deltathree.comJohn.MichaelDoe@deltathree.com
2%
First.Last@deltathree.comJohn.Doe@deltathree.com
46%

Frequently Asked Questions

Where is Deltathree's headquarters located?

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Deltathree's main headquarters is located at 224 West 35th Street, Suite 1004 Floor 10. The company has employees across 4 continents, including AsiaNorth AmericaEurope.

What is Deltathree's phone number?

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You can contact Deltathree's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Deltathree's official website and social media links?

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Deltathree's official website is deltathree.com and has social profiles on LinkedIn.

What is Deltathree's NAICS code?

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Deltathree's NAICS code is 517 - Telecommunications.

How many employees does Deltathree have currently?

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As of December 2025, Deltathree has approximately 51 employees across 4 continents, including AsiaNorth AmericaEurope. Key team members include Chief Executive Officer: P. C.Director Of Customer Operations: S. T.Senior Account Manager: A. M.. Explore Deltathree's employee directory with LeadIQ.

What industry does Deltathree belong to?

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Deltathree operates in the Telecommunications industry.

What technology does Deltathree use?

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Deltathree's tech stack includes Cloudflare CDNWordPressMySQLGoogle Fonts APIFont AwesomejQuery UIGoogle AnalyticsMicrosoft ASP.NET.

What is Deltathree's email format?

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Deltathree's email format typically follows the pattern of First.Last@deltathree.com. Find more Deltathree email formats with LeadIQ.

When was Deltathree founded?

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Deltathree was founded in 1996.

Deltathree

TelecommunicationsNew York, United States51-200 Employees

Founded in 1996, deltathree (OTCBB: DDDC) is a well-known provider of integrated Voice over Internet Protocol (VoIP) telephony services, VoIP products, hosted VoIP solutions, and infrastructure. deltathree offers high quality Internet telephony solutions that are viable and cost-effective alternatives to traditional telephone services.

Supporting tens of thousands of active users around the world, deltathree serves customers through its two primary distribution channels: the Service Provider / Reseller channel and the direct-to-consumer channel.

deltathree advanced VoIP solutions offer service providers and resellers a full spectrum of private label VoIP products and services (including PC to Phone and Broadband VoIP Phone) as well as a back-office suite of services. Utilizing advanced Session Initiation Protocol (SIP) technology, deltathree provides all the components to support a complete VoIP service deployment including; project planning and implementation, network management, soft switch applications, a variety of VoIP hardware devices, service management tools and a full suite of back office services. The back office suite includes billing, e-commerce and fraud management, provisioning and configuration, web applications, Customer Premise Equipment (CPE) and more.

deltathree's Consumer Group consists of the award-winning iConnectHere direct-to-consumer offering and joip, which powers the VoIP service of Panasonic's GLOBARANGE hybrid phone

Section iconCompany Overview

Headquarters
224 West 35th Street, Suite 1004 Floor 10
Phone number
NAICS Code
517 - Telecommunications
Founded
1996
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    Deltathree's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Deltathree's revenue is estimated to be in the range of $10M$25M

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