: Ability to carry text, images, video, and audio using MIME encoding.

: Can be delivered via agency-directed or consumer-directed models. 2. Telecommunications Standards (3GPP/ETSI)

The technical specification ETSI TS 122 340 (v6.2.0) defines service requirements for . Covered features include:

: Standards for formats like JPEG (pictures), AMR (speech), and H.263 (video) to ensure communication between different devices.