| 摘要 |
Provided are a network device and an operation method for the same, capable of solving existing problems in which call set up of a VoLTE service is failed due to a hand-over as a terminal executes the stopped call set up through a target base station, which is newly connected in the hand-over, again although a source base station stops the call set up, which is related to the VoLTE service (for example: ERAB setup) and executed in advance, due to the hand-over on the terminal. [Reference numerals] (110) Call setup execution request unit; (120) Call setup stop check unit; (130) Call setup information storage unit; (140) Handover connection check unit; (150) Call setup re-execution request unit |
