Method, apparatus, and system for sending a status report

A method for sending a status report, comprising:

• receiving, by a short message service router, a short message sent by a sender;
• assigning a first Identification (ID), which is used to uniquely identify the short message in the short message service router to the short message and incorporating the first ID in the short message;
• sending the short message carrying the first ID to a short message service center;
• storing, by the short message service center, the first ID after receiving the short message;
• assigning, by the short message service center, a second ID, which is used to uniquely identify the short message in the short message service center, to the short message;
• delivering, by the short message service center, the short message to a receiver;
• and
• generating, by the short message service center, a first status report carrying the first ID and the second ID after the short message is delivered;
• wherein the second ID is carried in a message ID field of the first status report, the first ID is carried in an extension field of the first status report;
• receiving, by the short message service router, the first status report carrying the second ID and the first ID;
• generating, by the short message service router, a second status report by replacing the second ID in the message ID field with the first ID;
• and
• sending by the short message service router the second status report to the sender.