Question: What happens to non-voice media (e.g., video, text-based instant messaging) in an ongoing IMS Multimedia Emergency Session (IMS MES) when a UE moves out of IMS voice coverage?
Option 1: The non-voice media are automatically converted to a CS (Circuit Switched) format to maintain the session.
Option 2: The non-voice media continue uninterrupted, utilizing alternative network resources.
Option 3: The non-voice media are dropped, irrespective of whether there is an active voice session.
Option 4: The UE attempts to re-establish the non-voice media over a different access network (e.g., from LTE to Wi-Fi).
Explanation: When a UE with an active IMS MES moves out of IMS voice coverage, other media types (non-voice) are dropped. This ensures seamless continuity for voice calls, but non-voice media do not have a fallback mechanism in this scenario.