Using MP4 clips in messaging can significantly boost engagement compared to standard text-only SMS. MMS Messages API Guide - Vonage
: Some platforms allow up to 20 MB if they provide transcoding services, which compress the video for mobile delivery. MMS Livemp4
is generally preferred for mobile viewing as it utilizes the full vertical screen. Using MP4 clips in messaging can significantly boost
: Keep files under 600 KB for the widest carrier support and to avoid delivery lag. MMS Livemp4