Is there a charge for this missed message reminder service?

The service of missed call reminder is that the user number receives the SMS reminder of missed call reminder, and no charge is charged. Call back is charged according to the basic call fee standard. The missed call reminder service is a short message reminder service provided by China Telecom for Tianyi mobile phone users who have not opened the personal communication assistant service. When the user is turned off, out of service area, not answering or the phone is busy, the system will automatically send a short message to remind the user of the incoming call information. Without a fixed validity period, the service provider China Telecom has the right to terminate the service. Applicable to China Telecom Tianyi mobile phone users who have not opened personal communication assistants (personal communication assistants have included the function of reminding missing messages). Missed call reminder, call waiting, call forwarding and phone synchronization vibration cannot be applied at the same time. There is no charge for the user number to receive the SMS reminder of missed calls, and the callback is charged according to the basic call fee standard. It can be handled through SMS channel, PDA business hall, Huan go, 10000 and business hall. Click on "official website" Customer Service 2 17 below for more service offers.