Search
Selected: All

Apparatus and method for providing music-on-hold service in...

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Communication apparatus having a communication hold function

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Communication console station with priority queuing

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Digital key telephone system and extension terminal device...

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Diverter interface between two telecommunication lines and a sta

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hold detecting and control circuit for a key telephone system

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hold-off alert system

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Key telephone system

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Key telephone system with means for operatively connecting anoth

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Multiple line self-contained telephone

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Multiple phone line adaptor

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

On-hold messaging system and method

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

On-hold messaging system and method

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

On-hold messaging system and method

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

On-hold messaging system and method

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Stand-alone keyphone system

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

System and method for local replacement of music-on-hold

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Telephone and telephone system having temporary transfer and hol

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Telephone conversion device

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Telephone main unit and telephone control apparatus

Telephonic communications – Multi-line or key substation system with selective switching... – Detail of hold circuitry
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0
  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.