The information communicated by a missed call is pre-agreed and contextual in nature.[1] They are typically used to signal the sender's status, such as indicating their arrival at a specific destination, or a business informing a customer that their order is ready for pickup.[2] In some countries, patterns have been established to indicate specific messages; in Bangladesh, two missed calls in a row is considered an indication that someone is running late, and in Syria, five missed calls in a row is considered a signal that the sender wishes to chat online.[8] Young couples miscall one another to see if the line is free, or to intentionally keep the line busy.[8] In Africa[clarification needed] there are established norms for how missed calls are used, such as for indicating who should call back with a voice call (and thus, bear the responsibility of paying for it).[3]