Related Clues:

• 'It sounds as if it's the final collection of letters of late (4,4)'
• No more letters tonight, by the sound of it
• Late dispatch sounded at late dispatch?
• Bugle call at night or at funeral
• Final bugle call
• No more letters after the bugler's farewell
• No more fencing for camp men about to retire?
• Bedtime bugle call
• Call for the final delivery
• Continue with letters, passing notes from the military?
• Call from the army missed by tardy correspondent
• Evening collection for mourning people?
• One's calling observed immediately prior to retirement?
• Least likely place for a bugle call
• Military bugle call