Method and apparatus for providing emergency ring tones for urgent calls

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United States of America Patent

PATENT NO 8897436
SERIAL NO

12647478

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Importance

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Abstract

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A method and apparatus for enabling calling parties to request the VoIP network to provide a special ring tone to be signaled as the occurrence of an urgent call to called parties are disclosed. Alternatively, a high frequency intercept tone or call waiting tone is also provided when the called parties are already engaged in conversation when an urgent call is incoming.

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First Claim

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Patent Owner(s)

  • AT&T CORP.;AT&T INTELLECTUAL PROPERTY II, L.P.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Croak, Marian Fair Haven, US 249 1914
Eslambolchi, Hossein Los Altos Hills, US 473 5508

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