The most common and most likely answer to this crossword clue is the 4 plus 4 letter word LAST POST
I've seen this crossword clue in The Daily Telegraph
L
A
S
T
P
O
S
T
More clues leading to the result LAST POST
- Endure work, getting call to retire
- No jobs after this? Call to retire
- Stay after ceremonial piece of music
- Something you may want to catch, call in the army
- Indication that men should turn in final job
- There are no jobs to be had after this call for retirement
- Endure letters giving indication it’s time to retire
- Stay after farewell call
- Situation after most recent call for retirement
- Endure job for what you get at the end of the day
Buddy explains!

The straight part
We know that "farewell call" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case farewell call = last post.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.