Technical information
- 900: I'm little busy at the moment. I'll call you back when I finish up. [Sent By SMSBack]
- 89210100101: I'm little busy at the moment. I'll call you back when I finish up. [Sent By SMSBack]
- 86123456789: I'm little busy at the moment. I'll call you back when I finish up. [Sent By SMSBack]