The most common and most likely answer to this crossword clue is the 5 letter word RADIO
I've seen this crossword clue in Independent
R
A
D
I
O
More clues leading to the result RADIO
- Spoke, neglecting America, over the wireless
- Radius, not quite so long, is set?
- Mistakenly order action doll operated remotely
- Commercial port screens broadcast
- Transmit commercial plugging port
- Back in Soho, I’d arrested part of the media
- New hairdo: initially cut, then set
- A French designer with back to front means of communication
- Start to roll a board game’s ten-sided die — set?
- Short farewell east of river channel
Buddy explains!
The straight part
We know that "Call" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case call = radio.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RADIO mean?
RADIO noun- The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
- A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
- On-board entertainment system in a car, usually including a radio receiver as well as the capability to play audio from recorded media.
- A device that can transmit radio signals.
- The continuous broadcasting of sound via the Internet in the style of traditional radio.
- To use two-way radio to transmit (a message) (to another radio or other radio operator).
- To order or assist (to a location), using telecommunications.