{"id":15319,"date":"2026-04-27T10:31:41","date_gmt":"2026-04-27T09:31:41","guid":{"rendered":"https:\/\/www.gsma.com\/get-involved\/working-groups\/?post_type=gsma_theme_resources&#038;p=15319"},"modified":"2026-04-27T10:33:41","modified_gmt":"2026-04-27T09:33:41","slug":"ts-71-idl-to-modem-specification","status":"publish","type":"gsma_theme_resources","link":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-71-idl-to-modem-specification\/","title":{"rendered":"TS.71 V1.0 IDL to Modem Specification"},"content":{"rendered":"\n<p>The document provides the minimal set of requirements to access IMS Data Channel Service and specifies the interface for such access expressed in IDL .The interface specification applies equally to the Native Implementations and SDK based implementations of IMS Data Channel run-time, i.e. this specification does not differentiate those two cases and makes the same capabilities available to both. GSMA PRD TS.71 requires that UE supports 3GPP TS 26.114  defined DCMTSI client in terminal and the compliance to GSMA PRD NG.134 and GSMA PRD TS.66. And in essence this minimal compliance baseline guarantees that DCMTSI client in terminal capabilities can be exposed to JavaScript Applications through the OEM, Operating System or operators provided run-time environments. 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