US Patent 12114382 Associated device discovery in IMS networks

Patent

Aylus Networks

US Patent 7024198 Method for expediting a short message via a server when a communication participant of a communication network is not available

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US Patent 7720489 Network initiated USSD in mixed networks

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United States Patent and Trademark Office

Shantell L Heiber

H04W 4/80

H04W 76/15

H04W 88/06

H04M 7/123