4. Telephonic communications
  5. Plural exchange network or interconnection
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Automatic routing system for telephonic services

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Patent

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Automatic routing technique

Telephonic communications – Plural exchange network or interconnection – Connection call model
Patent

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Automatic signaling-type indicator for use in subsequent interac

Telephonic communications – Plural exchange network or interconnection – Connection call model
Patent

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Automatic telephone line switch

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

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Automatic telephone line switch

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

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Automatic updating of a local database supporting local number p

Telephonic communications – Plural exchange network or interconnection
Patent

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Automation of customer premises equipment provisioning in a...

Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate

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