Jargon buster
A Direct Station Selector (DSS) is a unit that sits alongside a telephone enabling the handset to be used a reception/switchboard console. The unit provides programmable buttons enabling the operator to quickly dial and see the status of user extensions.
Disaster Recovery (DR) is the continuity plan put in place for when there is a power failure or fault with the telecoms solution.
The final point within a network where the cable or fibre terminates, typically the street (telegraph pole), cabinet or premises.
see Domain Name System
This is the address of a particular website, for example www.premierchoicegroup.com is a domain name.
A centralised system which categorises multiple network locations with a label (e.g. a domain). To save entering the full network address (possibly in numeric form) a simple domain label can attributed (e.g. google.com).
see Denial of Service
Receiving information on to your computer from another source – e.g. the internet.
The total time a system is out of service.
see Distribution Point
see Digital Private Network Signalling System