6 Understanding the CME Dial Plan

Question 1

Dialed Number Identification Service (DNIS)

Answer 1

Describes dialed number information delivered to

Question 2

Automatic Number Identification (ANI)

Answer 2

Describes caller ID information delivered to a voice-processing-devise. Closely related to Dialed Number Identification Service (DNIS)

Question 3

dial peer

Answer 3

Logical configuration used to define dial plan information on a Cisco router

Question 4

foreign exchange station (FXS) ports

Answer 4

Analog interfaces that allow you to connect a legacy analog telephone device to a VOIP network.

Question 5

foreign exchange office (FXO) ports

Answer 5

Analog interfaces that allow you to connect a VOIP network to legacy telephony networks such as the PSTN or a PBX system

Question 6

private line automatic ringdown (PLAR)

Answer 6

A configuration used to enable “immediate dial” applications, such as a phone that immediately dials an emergency number when a user lifts the handset

Question 7

Direct Inward Dial (DID) or DDI

Answer 7

A voice configuration that allows users from the PSTN to dial directly into an individual phone at an organization without passing through a receptionist or automated attendant application

Question 8

class of restriction (COR)

Answer 8

The method used to implement calling restrictions in the CME environment. An inbound COR list assigns privileges, whereas an outgoing COR list restricts calling.