Truminds Software Systems Telecom Engineer Interview Questions and Answers

4G attach call flow involves multiple steps for a device to connect to the network.

• Device sends attach request to the network

• Network validates the request and assigns temporary identity (TMSI)

• Network sends attach accept message to device

• Device sends attach complete message to confirm attachment

• Network updates location of device in Home Location Register (HLR)

Handover scenarios involve transferring a call or data session from one cell to another in a seamless manner.

• Handover can be triggered by factors like signal strength, congestion, or user mobility.

• Types of handover include hard handover (disconnecting from one cell before connecting to another) and soft handover (connecting to multiple cells simultaneously).

• Handover can occur within the same network (intra-cellular han...read more