8 Comments. 1  Good article and beautiful snake pictures. 2  Thereâs the coral snake and its non-venomous look-alike, the king snake. 3  Hog nose snakes (puff adders) meet pretty much all of these traits listed but are not considered venomous (to humans).
Buzzer or Ringer. When the radio components of the handset receive the ringer signal from the base, they send electrical signals to the buzzer. The buzzer changes those electrical signals into sound much like the speaker does. You hear the buzzer sound and know that someone is calling you.
While rings, ringers or ring signals or what might be viewed as the call signals which are the predecessors of ringtones date back to the beginnings of telephony, modern ringtones began to appear in the 1960s and have expanded into tunes and many customizable tones or melodies.