History of the Phone.

Phones have evolved a lot ever since Alexander Graham Bell invented the first telephone in the year 1876, and greeted his assistant Thomas Watson with the words "Mr. Watson, come here, I want to see you." The first generation of phones had a rotary crank that the user had to revolve to connect to the switchboard operator in the exchange. The person initiating the call would have to provide the number to connect to and wait for the operator to connect the call before they could speak. This was soon replaced by rotary dial phones, which consisted of a rotary dial containing holes with a number beneath it, ranging from 0 to 9. The user initiated a call by rotating the dial several times, following the sequence of number beneath it to connect to the other person. The calls from such phones used to be routed to their destination via a mechanical exchange. These phones depended on pulse dialling and interstate calls and international calls still had to be initiated through the operator at the exchange.

The digital exchange and electronic phones

Initiating calls became easier with the arrival of the digital exchange in which the tone system replaced the pulse method. Each digit from 0 to 9 were assigned a different tone, which the digital exchange detected and routed the calls to their respective destinations. The sound quality and the percentage of successful calls increased with the arrival of this system. Manufacturers of phones started producing digital phones including sophisticated models that included a tape recorder having call recording abilities. The user had to manually depress the recording key to record the conversation. The next generation phones included a light emitting diode (LED) (later replaced by liquid crystal displays or LCD), which displayed several information such as the number of the call being dialled or the number from which the call originated, the date & time, as well as the duration of the call. Users also had the option to save their frequently called numbers on a memory bank.

Auto call recording and speaker included

The phones that followed also had automatic call recording system inbuilt into them along with a voice message system that prompted callers to record their message in case the recipient was unavailable to take the call. The recipient could later scan the missed incoming calls as well as listen to the recorded calls, and contact the caller. Most office phones have this and a host of other features inbuilt that allow them to initiate conference calls in which several people could talk with each other. They also had the option to transfer an incoming call to someone else in the network. These phones incorporated a speaker that allowed users to enjoy hands free speech. These features are extremely important for the business world where individuals do not have the time to attend to each call immediately. It also allowed callers to leave a voice message in case the recipient of the call was not present to attend to the call. Another important feature found on modern generation business phones is the call routing facility, which allows incoming calls to be routed to a different number, as programmed by the owner of the phone.

More information on call recording