Networking/Protocols:  Diameter, LTE(4G), UMTS(3G), TCP/IP, SDH, SCTP, Ethernet, VLAN, VRRP, Spanning Tree, WLAN, ATM, Frame Relay, x.25, HSPDA, RBS

Cisco:  4900, 4500, 3100, 3000, 2960, CatOS, IOS 12.x

Huawei:  eNodeB, RTN 620, RNC,

Tekelec:  Diameter Signaling Router

Linux:  CLI, IMAP,

Alcatel Lucent:  PSAX, 1641SX, 1660SM, 1670SM, 1353SH and 1354RM

Nokia-Siemens: NodeB

Nortel: Passport 8600/15000/20000, CS2K, SCS 500, Baystack 450, BPS 2000, OPTera LH, OPTera DX, OM4100, OM4150, OM4200, OME6500, Preside MDM

Motorola:  CG4500e

ADC:  CUDA 12000 (CMTS)

SIAE:  nodeB

Microsoft: Word, Excel, Powerpoint, Access, Project, Visio, FrontPage, Outlook,Windows 2000, Windows XP, Windows 7

O2/Telefonica:  NAS, AVTOOL, Finderella, WebLCT, DCN portal, NetAct, NetSite, Comarch OSS Suite

Various:  Wireshark, HPOpenview, Netcool, CableMaster