US Patent 11889024 Caller verification via carrier metadata

Patent

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United States Patent and Trademark Office

Kharye Pope

H04M 2203/555

H04M 3/2263

H04M 3/367

H04M 3/42357

H04M 7/0078

H04M 3/5235

H04M 15/41

H04M 2203/556

H04M 3/42042

H04M 2203/60