Location and Routing NumbersMSRN and LAI

• MSRN : the important number of the routing call process

MSRN : Mobile Station Roaming Number.

MSRN=CC+NDC+MSC/VLR.

CC=Country Code .

NDC=National Destination Code.

LAI : the LAI is the area on which the network will page to locate a mobile

LAI=MCC+MNC+LAC

MCC=Mobile Country Code.

MNC=Mobile Network Code.

MSRN

3 2 10

15

CC

NDC

MSC/VLR

LAI

3 2 <=16

< 21

MCC

MNC

SN

LA1

LA4

LA3

LA5

LA5

LA6

VLR

MSC

Cell 1

Cell 3

Cell 5

Cell 2

Cell 4

Cell 6

• the idea of LA(location area)

前一張投影片

下一張投影片

回到第一張投影片

檢視圖形版本