What is a message delivery report?
After receiving an SMS message, mobile phone target return a message delivery report to inform the SMSC there are errors or omissions. (Example Cause: incompatible format text, not enough space, etc.). This method is transparent to the mobile user. If there is no error or fault, the mobile phone receiver, a delivery report positive SMSC. Otherwise, ask you to send back a negative report SMSC.If delivery to the sender, a report on the previous situation, the SMSC a progress report to the sender when you receive a delivery report from SMSC may not recipient.If delivery report messages after a while, you come to the conclusion that the delivery report message is lost. The SMSC then forwards SMS message to the recipient.
What is an aggregator of SMS?
SMS gateway providers often called aggregators. Aggregators have several agreements with the largest mobile network providers like Verizon and T-Mobile, send and receive text messages through these networks SMSCs.