1
Optical Fiber Communication
2
SDH
3
DWDM
4
MLLN
5
MPLS VPN
6
FTTH
7
SATCOMM
8
CUG & Centrex
9
ADSL Technology and BB Services
10
BB Multiplay
11
Telecom Regulation
12
Enterprise Services
13
New Business
14
SIP, EPBX and Bulk SMS
15
TIP Management and Franchise Management