Posts Tagged ‘crossbar switching system’

• TELECOMMUNICATION:A Journey from Manual to Electronic Switching System

  Jan 17, 18 • 9657 Views • Education, Telecommunication • mayank sharma • 17 Comments

  The field of Telecommunication has evolved from a stage when signs and drum beats  were used for long distance communication.In March 1867,Alexander Graham Bell demonstrated his telephone set and laid the foundation of telephony.In actual telecommunication