How does Unicom customize CRBT through SMS?

SMS activation mode: the mobile phone sends SMS "ZC" to 10655768. (SMS communication fee: 0. 1 yuan/article) Call opening method: dial the unified Unicom ringtone IVR access number "10 1568" with your mobile phone and follow the prompts. (IVR communication fee: The fee for users to dial 10 1568 when roaming locally and in the province is: 0.4 yuan per minute for CDMA users and 0.36 per minute for GSM users to surf the Internet on their mobile phones. Opening mode: use CDMA mobile phone with WAP function to enter Unicom's "Charming Guangdong-Music Channel-Unicom Ring the Bell" or "Charming Guangdong-Premium Recommendation-"(WAP communication fee: 0.02 yuan /KB).