Voice over IP

 IP-PABX NATJA
 NATJA PC USB-phone

LAN

 SUSI 110G - 100% Availability
 ISABEL 1000 - Availability and PoL in fibre optic networks
 ISABEL 1000-TP - Availability and PoL in category 6/7 networks

WAN

 IRENE - as an access node for POS-Terminals
 IRENE - POS-Terminals with VPN
 PROKOR - as TokenRing-/Ethernet-Bridge