Provision of fixed line voice infrastructure including billing system & associated services for on-premise PABX Communication Rooms and Data Centres
[Fileref]:
TCD-20-90
Provision of fixed line voice including billing services, network links and SIP & associated services for on-premise PABX, Communication Rooms and Data Centres.The fixed line/ sip service feeds the Trinity telephony system to provide a fixed telephone voice communication service to approx. 3,500 locations across multiple Trinity sites.