Operator point-to-point service delay range

The operator's point-to-point service delay range is within 15 seconds, with an average delay of 7 to 8 seconds. According to the query of relevant information, when the operator channel is normal, the SMS arrival rate of the SMS platform reaches 99%, the arrival delay is usually within 15 seconds, and the average delay is 7~8 seconds. The complete end-to-end delay should be the sum of the delay components: packetization delay, transmission delay, propagation delay, queuing delay and terminal processing delay.