This post refers to the handover flow. Please see below for more details.
The handover flow of an MS-initiated call is categorized as intra-BSC handover, inter-BSC handover and inter-MSC handover. The signaling meanings of the three categories are similar and differ only in the signaling control. The detailed flow is as follows:
1. Intra-BSC handover
2. Inter-BSC handover
3. Inter-MSC handover
