The development of the virtual PBX system has introduced many telephone features such as call forwarding, call screening,desktop call control, internet fax service and many more which all in all offers the convenience and cost effective communication system. One reason why people are more eager to use the telephone and other mobile communication device.
Telephone communication was introduced by Gram bell.
he created the telephone to increase communication over seas with out leaving your own home to talk to them. but don't take my advice because i am not an expert.
parallel
Communication.
The telephone IS a long distance communication device.
Telephone
Nothing in written is needed for telephonic communication
The word telecom stands for the science and technology of communicating at a distance, especially the electronic transmission of signals for telephone communication or technological communication.
You can be contacted at anytime
yes
Communication
telephone