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Telephone with adaptive speed dial mechanism

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Telephone with call-incoming-operation limiting function and...

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Reexamination Certificate

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Telephone with character keypad

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Telephone with dial history access

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Telephone with digit cancellation

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Telephone with environmentally-influenced call indicator

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Patent

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Telephone with minimal switches for dialing

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Telephone with network-type sorting

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Telephone with speed dial and recording of remotely transmitted

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Telephone with touch-any-key dialing mode

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Telephone with user recorded ringing signal

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Patent

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Telephonic apparatus with automatic area code dialing...

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Telephonic apparatus with automatic preceding number dialing...

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Telephonic automatic dialing system

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Telephony distribution system

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Reexamination Certificate

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Telephony ring customization

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Reexamination Certificate

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Terminal apparatus

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Terminal connection device

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Patent

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Terminal for a telecommunications switching system having an add

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Terminal in communication network for notifying originating part

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Patent

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