4. Telephonic communications
  5. Audio message storage, retrieval, or synthesis

Ameritech Corp.

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Method and system for canceling unwanted telephone calls

Telephonic communications – Audio message storage – retrieval – or synthesis
Reexamination Certificate

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Method and system for transmitting a message to a telephone...

Telephonic communications – Special services – Service trigger
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Method of routing interLATA network traffic

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2433298

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