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Call waiting suppression

Telephonic communications – Special services – Service trigger
Reexamination Certificate

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Call waiting using external notification and presence detection

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Call-associated data transfer among multiple...

Telephonic communications – Special services – Call diversion
Reexamination Certificate

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Call-back controllable exchange and call-back control method...

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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Call-back method for telecommunications and devices adapted...

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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Call-back number voice capture method and apparatus

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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Call-back number voice capture method and apparatus

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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Call-forwarding system using adaptive model of user behavior

Telephonic communications – Special services – Call diversion
Patent

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Call-routing mechanism for automatically performing number...

Telephonic communications – Special services – Call diversion
Reexamination Certificate

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Call-to-make reminder system

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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Callback imitation as incoming calls

Telephonic communications – Special services – Repetitive call attempts
Reexamination Certificate

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Callback telecommunication system and method

Telephonic communications – Special services – Repetitive call attempts
Reexamination Certificate

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Callback when not engaged by means of automated redialling...

Telephonic communications – Special services – Repetitive call attempts
Reexamination Certificate

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Called subscriber selecting system

Telephonic communications – Special services – Anonymous party
Patent

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Caller control of call forwarding services

Telephonic communications – Special services – Call diversion
Reexamination Certificate

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Caller control of call waiting services

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Caller control of internet call waiting

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Caller control of internet call waiting

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Caller directed routing of a telephone call based on a dialed su

Telephonic communications – Special services – Call diversion
Patent

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Caller directed routing of toll free calls using variable prefix

Telephonic communications – Special services – Anonymous party
Patent

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