Undoubtedly desperately needed tech, but I don't understand why the geolocation couldn't be embedded in the voice call itself (14.4k modem style). It's such a t

Undoubtedly desperately needed tech, but I don't understand why the geolocation couldn't be embedded in the voice call itself (14.4k modem style). It's such a tiny amount of data, it wouldn't need to interfere with the call at all, or necessarily even be audible. Why the need for a "clearinghouse" and a third-party private company service lock-in by already stretched emergency services?