[多选题]SGSN 使用Gb over IP 与 BSC对接,且使用静态NSVC方式,需要与对端协商的包括()。
When the SGSN interconnects with the BSC through Gb over IP, and uses the static NSVC mode, it needs to negotiate the following parameters with the opposite party: ( ). A.NSEI B.本端IP和端口
Local IP and port C.远端IP和端口
Remote IP and port D.BSC ID