| 摘要 |
A time obtaining method includes: receiving, by a mobile terminal, a time obtaining request, and determining whether the mobile terminal has access to a network service; initiating, by the mobile terminal, an emergency call when the mobile terminal has no access to a network service; receiving a sync channel message which is obtained through searching during the emergency call process and terminating the emergency call, where the sync channel message carries time information; and obtaining time according to the time information. In the present invention, in a situation where time synchronization needs to be implemented and a mobile terminal has no access to a network service, time is obtained from a network side without affecting other services. |
