| 摘要 |
A global messaging system delivers messages to user devices by employing aliases, permissions, and protocols. A sender sends a message to an alias. The message is transmitted to devices associated with the alias. The system compares the message length to a maximum message length and modifies the transmission of the message when the message length exceeds the maximum message length by sending a concatenated message and adding a header to the message. Accordingly, messages can be delivered to recipients without the need to know a physical device address or have the ability to directly communicate with the device.
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