Nexus Telecom provides Network and Service Investigation tools, solutions, techniques and concepts to improve the quality of service in conventional fixed line telecommunication networks, GSM and UMTS mobile networks and IMS, NGN and VoIP networks. Main areas of business are service assurance (network surveillance and performance management), revenue assurance and network and service testing. Nexus Telecom has Swiss roots but has a worldwide presence.Nexus Telecom provides Network and Service Investigation tools, solutions, techniques and concepts to improve the quality of service in conventional fixed line telecommunication networks, GSM and UMTS mobile networks and IMS, NGN and VoIP networks. Main areas of business are service assurance (network surveillance and performance management), revenue assurance and network and service testing. Nexus Telecom has Swiss roots but has a worldwide presence.Nexus Telecom provides Network and Service Investigation tools, solutions, techniques and concepts to improve the quality of service in conventional fixed line telecommunication networks, GSM and UMTS mobile networks and IMS, NGN and VoIP networks. Main areas of business are service assurance (network surveillance and performance management), revenue assurance and network and service testing. Nexus Telecom has Swiss roots but has a worldwide presence.