| 摘要 |
A method and system for establishing a call in a communication network is disclosed. The method includes detecting (202) a user-activity at a User Equipment (UE) (104), prior to a special key press. The special key press triggers a request for establishing the call. The method also includes determining (206) based on the detecting whether a latest System Information Block (SIB) is available at the UE. Further, the method includes initiating (208) a Random Access Channel (RACH) session for establishing the call. The RACH session is initiated when the latest SIB is available at the UE and when the special key is pressed. The latest SIB includes parameters for the RACH session.
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