Voice Network Flashcards
What is a switch?
An exchange that routes incoming and outgoing calls between dialled telephone numbers
What is 21CV?
A modern solution to routing telephone calls where we use our data network to carry those calls.
What does IP stand for?
Internet Protocol
What does IMS stand for?
IP Multimedia Subsystem
How are calls routed in our modern network?
Through the IP Multimedia Subsystem (IMS)
What does 21CV stand for?
21st Century Voice
In 21CV, what is the customer’s Master telephone socket connected to inside the house?
The eDVA on the customer’s Broadband Hub
What does eDVA stand for?
Embedded Digital Voice Adapter
What purpose does the eDVA serve?
It converts voice into the IP data format used for the customer’s Broadband connection
Name the box the broadband Hub is connected to on the inside of the house
The isolation plate
Name the box that connects the house to the network
Omni box or Entry To Building (ETB)
What does ETB stand for?
Entry To Building
What type of cable can the drop cable be?
Coaxial cable or Fibre cable
What is the drop cable?
The cable that connects the house to the Distribution Point (DP)
What does DP stand for?
Distribution Point