Ericsson - The GSMA IR.92 voice-over-LTE and GSMA IR.94 IMS conversational video specifications are the preferred industry choices for mass-market voice and video calling services over LTE, satisfying user expectations and providing the most advantageous solutions for operators.

With the industry aligned telecom solution, operators can now start commercial deployments of a telecom-grade, globally interoperable solution for voice and video calling over LTE – even before LTE is fully deployed.

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