Billing System                           : (Com verse, REDKNEE)
                                                               
          Soft Switch                           : (Vocal Tec)
          SBC                           : Acme Packet, Audio Codes)
          OSS/BSS                           : (FastWire, Aircom)
          WAN Optimizer                           : (PeerApp, Bluecoat)
          DSLAM                             : (Zyxel)
          BRAS                            : (Cisco, Ericsson, RedBack)
          MPLS/IPLC                               : (Cisco)
          Signal Tester                           : (FLUKE network)
          Content Engine                           : (Cisco)
          TDM Converter                           : (RAD)
          Gateway                           : (AudioCodes)