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D2 Technologies develops embedded software solutions for advanced communication protocols like VoIP, VoLTE, VoWiFi, and Rich Communication Services (RCS). The company provides critical software stacks enabling secure, high-quality voice and video communications across diverse devices and networks. Its technology underpins next-generation IP communication services for mobile carriers and equipment manufacturers.
D2 Technologies was co-founded in 1993 by Dr. David Wong, Chairman and CEO, and David Lindsay. Dr. Wong, a co-founder of Connected Systems, leveraged experience in voice messaging. Lindsay contributed over three decades of engineering expertise in voice system design. Their insight identified the critical need for robust embedded software to power the nascent voice-over-IP market.
The company serves mobile network operators, device manufacturers, and communication service providers integrating advanced IP-based capabilities. D2 Technologies aims to remain a leader in embedded communication software, envisioning a future where seamless, high-definition voice and video are universally accessible across all platforms, fostering richer global connectivity.
D2 has 4 tracked investments across 4 companies. The latest tracked deal is $4.0M Seed in Curvestone AI in December 2025.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Dec 4, 2025 | Curvestone AI | $4.0M Seed | Kevin Mcloughlin | Boost Capital Partners, Portfolio Ventures |
| Sep 1, 2025 | Moxso | $5.5M Seed | Geeta Schmidt | Ugly Duckling Ventures |
| Jan 26, 2024 | octapipe | $4.5M Grant / Pre-Series A | Mads Jensen | Atlas Ventures, Miles Kirby, Forward Partners, Gelecek Etki VC, Martlet Capital |
| Mar 29, 2022 | Connect Earth | $1.8M Other Equity | — | Entrepreneur First, Market ONE Capital, Henry Wigan, Plug And Play, Venista Ventures |
