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Talq Consortium releases latest smart city standard
The Talq Consortium’s new Smart City Protocol version 2.7.0 further increases interoperability for device networks through Dali D4i Talq Zhaga profiles.
At a glance
Who: Talq Consortium.
What: The Talq Consortium has released version 2.7.0 of its Smart City Protocol, a global interface standard for smart city device networks.
Why: To advance the consortium’s mission of enabling scalable, future-proof, and interoperable smart city ecosystems.
When: The Talq specification version 2.7.0 was officially released in February 2026.
The Talq Consortium has released version 2.7.0 of its Smart City Protocol, a global interface standard for smart city device networks.
According to Talq, the new version 2.7.0 represents an important step forward in advancing standardised interoperability for smart outdoor lighting and smart city infrastructures by embracing three important updates.
Reinforce consistency
The main highlight is the integration of Dali D4i functionalities, developed jointly in close collaboration with the Dali Alliance and the Zhaga Consortium. The other two updates reinforce consistency within the existing Lighting Profile and increase the flexibility of manufacturers.
As before, the updated Talq specification (both data model and OpenAPI definitions) is available publicly and free of charge via GitHub.
“With version 2.7.0, we continue to advance our mission of enabling scalable, future-proof, and interoperable smart city ecosystems”
Analysing and prioritising feedback from cities, utilities, members, partners and other smart city experts to refine and improve the protocol has been an ongoing process since the founding of the consortium. Over the past month, Talq reports it has included several new functionalities and applied some minor corrections to the protocol standard with the goal of improving and simplifying its use further. The Talq specification version 2.7.0 was officially released in February 2026.
The liaison and coordinated effort among the Dali Alliance, the Zhaga Consortium and the Talq Consortium strengthen alignment between key international standards and supports consistent, transparent and reliable data exchange in complex multi-vendor system integrations across connected street lighting networks.
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The latest version introduces the two new profiles Dali D4i luminaire Talq Zhaga profile and Dali D4i Sensors Talq Zhaga Profile. All functionalities defined within these profiles are mandatory.
“With version 2.7.0, we continue to advance our mission of enabling scalable, future-proof, and interoperable smart city ecosystems,” said Simon Dunkley, secretary general of the Talq Consortium. “The close collaboration with Dali and Zhaga and the introduction of fully standardised profiles reflect our ongoing commitment to reducing fragmentation and fostering competition within the smart outdoor lighting industry.”
With a comprehensive, standardised feature set, the new profiles reduce implementation variability and ensure certified products implement a complete, clearly defined scope of functions. The mandatory approach strengthens interoperability by ensuring predictable system behaviour across vendors and technologies, providing greater confidence for manufacturers, system integrators, utilities, and cities deploying multi-vendor solutions.
“The introduction of fully standardised profiles reflect our ongoing commitment to reducing fragmentation and fostering competition within the smart outdoor lighting industry”
The new version 2.7.0 also expands flexibility for manufacturers by introducing support for vendor-defined events, following the structured approach already established for vendor attributes. This enhancement allows vendors to extend their functionalities while remaining fully aligned with the standardised Talq framework.
Founded in 2012, the Talq Consortium has established a globally accepted standard for management software interfaces to control and monitor heterogeneous smart city applications. The open industry consortium consists of more than 80 member companies.
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How does Dali D4i luminaire Talq Zhaga profile enforce mandatory functionalities?How does vendor-defined events support manufacturers while preserving Talq compliance?How will Dali D4i and Zhaga integration improve multi-vendor interoperability?How does mandating profiles affect system predictability and vendor competition?How can cities verify Talq 2.7.0 compliance using GitHub OpenAPI definitions?Latest City Profile
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