The sending of voice, data, image, fax, etc., from one point to another using electronic means is called telecommunications and, in summary, refers to telecommunications. Examples include telephone, radio, television and Internet. The transmission medium includes wire (copper), fiber optics, ether (wireless), radio towers, microwave, satellite, etc.
Today, everyone is using the phones (Mobile & Land Line) and at the same time numerous services provided by telecom operators. To name, here are some international telephone companies:
• Nokia
• Samsung
• Panasonic
• Blackberry
• Motorola
Let me mention some international telecommunication operators, who are providing satisfactory telecommunication services to their customers:
• Verizon
• Vodafone
• Airtel
• TATA
• Etisalat
• Qtel
Let me also list some basic telecommunications services that are provided by several well-known telecommunications operators:
• Voice call
• Satellite / cable TV
• SMS and MMS
• Internet connection
• Download and upload data
• Videoconference
• IP-based services, ie voice over IP or VPN