The present invention resolves the problem of low success rate of call because the calling MSC can not connect to the HLR of the called mobile terminal and terminate this call.

• 解决了现有呼叫接续方法中当主叫MSC无法接续至被叫移动终端的HLR即终止本次呼叫接续所导致的呼叫接续成功率低的问题。