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In addition to calling or dialing 9-1-1, the citizens and wireless subscribers of the United States should have the option of texting in relevant multimedia content (photos, videos and audio files) from their camera-capable cellular device to emergency response personnel. Cross-carrier common short code MMS is a simple and ubiquitous solution for Next Generation 9-1-1 services (NG911).

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Cross-Carrier Common Short Code MMS

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US Patent 7697945