This alphanumeric string is likely a unique hash or session ID generated by a server to distinguish this specific recording from others in a large database.
Platforms like Avaya Equinox or Cisco MCU often save recordings with these complex strings to ensure no two files have the same name. hequuiukte76_1621425618331275264(352P).mp4
Similar naming conventions are sometimes seen in datasets used for video analysis or security system exports. This alphanumeric string is likely a unique hash
This indicates a specific "Enhanced Definition" resolution, often used in videoconferencing systems like Cisco Unified Videoconferencing or Avaya Scopia . 352p is a standard resolution (often 4CIF) used to balance video quality with lower bandwidth requirements. hequuiukte76_1621425618331275264(352P).mp4