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Cabling system for low voltage and very low voltage networks in

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Call block disabler

Telephonic communications – Telephone line or system combined with diverse electrical... – Credit authorization
Reexamination Certificate

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Call control method and apparatus for a switching system

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Call establishment for simultaneous analog and digital communica

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Call in-bound remote reading and data collection system

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote indication over telephone line
Patent

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Call meter signal receiver for subscriber's private metering of

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Patent

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Call path display telephone system and method

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call progress monitor for a computer telephone interface

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Call screening for fax telephone numbers

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Reexamination Certificate

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Call status recognition in a broadband private automatic branch

Telephonic communications – Telephone line or system combined with diverse electrical...
Patent

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Call tagging user information in a telephonic environment

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Call waiting service in multimedia-capable network

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call waiting-caller identification notification device

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call-waiting tone detection technique

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call-waiting tone detection technique

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Caller ID system

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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