NGN\chuong 5 - dich vu.doc
...\chuong 6- QoS va Sec.doc
...\chuong 7 - gphap NGN cua cac hang.doc
...\chuong 8 - chluoc ptrien.doc
...\bai 3.ppt
...\bai 3 backup.ppt
...\Bai tap lon NGN_D03VTA1.doc
...\Chuong 1-TONGQUAN.doc
...\chuong 2 - cau truc NGN.doc
...\chuong 3 - chmach mem.doc
...\chuong 4 - bao hieu trong NGN.doc
...\bai 1.ppt
...\bai 4.ppt
NGN