Our SMS system has been patented, Hong Kong Patent Number is HK 1221602, US patent number is US 9,559,995 B1. The system provides two-way transmission and receiving of SMS and supports the SMS delivery report service provided by Hong Kong telecommunication operators. The relevant features are as follows:

• Independent SMPP server using VPN to connect to supplier's SMS center (SMSC);
• RAID 1 (Mirroring) Instant backup, using SMSAlert to monitor the system 24-hour;
• Connect to the supplier's SMS center using SMPP protocol, support the SMS delivery report service;
• The throughput rate is about 10–20 SMS per second; the receiving time is usually less than 15 seconds;
• Develop front-end software and API services compatible with our SMS system, and free of charge to use.