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System requirements, release notes, installation instructions, user manuals, and other information for TASSTA voice communication, messaging and data solutions. Click a product to browse the documents.
Critical upgrade notice
Starting March 2025, you must upgrade your system to ensure T.Flex iOS compliance with updated security standards, maintain secure connections, and meet FirstNet certification requirements.
To avoid service disruptions, please read the article for full details and contact TASSTA Support for assistance.
Deprecation warning
Debian 9 "Stretch" is no longer supported. To migrate the existing deployment to higher Debian versions, create a ticket at TASSTA Help Center or call our service team.