2, grams of square meters
3. 1 10- alarm
1 17- tell the time
12 1- weather forecast
122- Traffic accident alarm
120- rescue
1 19- fire alarm
160- artificial information service
1 14- road traffic accident alarm
122- Telephone Information Desk
184- Postal Code Inquiry
1 12- telephone drum barrier
123 15: consumer complaint hotline.
170: inquiry of communication cost,
189: communication service consultation telephone,
180: Telephone number for complaints about communication service quality.