pocket message means: Unintentional call via cell phone. It was made to someone else’s voicemail. Usually because the handset had been left unlocked. (in Community Dictionary, added by Amaro Prieto)

What else does pocket message mean?

  • An answer phone call, voicemail message or text message made out of a person’s pocket. It is possible to hear a conversation between friends, their friend singing in the car or their voice, and even their pockets. This could happen frequently if your phone doesn’t have a lock. (in Community Dictionary, added by Pierre Gibson)