The most common and most likely answer to this crossword clue is the 7 letter word STATION
I've seen this crossword clue in Financial Times
S
T
A
T
I
O
N
More clues leading to the result STATION
- Eg Victoria's position in life?
- Rubbish in Jerusalem rail terminus?
- Perhaps Victoria is not at fault
- Ollie’s partner embraces Spanish uncle arriving by train here?
- Stop standing, thanks – sit on ground outside
- Post shabby clothes in Israel
- Botanist losing head travelling to Waterloo perhaps
- Calling for volunteers at end of event in Swiss town
- Stop or start iron right away – and again
- Stop bringing up endless row about things that are of little value
Buddy explains!

The straight part
We know that "Calling" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case calling = station.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 STATION mean?
STATION noun- A stopping place.
- A place where workers are stationed.
- Any of the Stations of the Cross.
- The Roman Catholic fast of the fourth and sixth days of the week, Wednesday and Friday, in memory of the council which condemned Christ, and of his passion.
- A church in which the procession of the clergy halts on stated days to say stated prayers.
- Standing; rank; position.
- A broadcasting entity.
- A harbour or cove with a foreshore suitable for a facility to support nearby fishing.
- Any of a sequence of equally spaced points along a path.
- The particular place, or kind of situation, in which a species naturally occurs; a habitat.
- An enlargement in a shaft or galley, used as a landing, or passing place, or for the accommodation of a pump, tank, etc.
- Post assigned; office; the part or department of public duty which a person is appointed to perform; sphere of duty or occupation; employment.
- The position of the foetal head in relation to the distance from the ischial spines, measured in centimetres.
- The fact of standing still; motionlessness, stasis.
- The apparent standing still of a superior planet just before it begins or ends its retrograde motion.
- (usually passive) To put in place to perform a task.
- To put in place to perform military duty.