You have been employed as a network technician in a middle-sized company. Suppose that the

default dial peer is matched. Please choose a capability that you must configure.

A.
disable DID

B.
invoke a Tcl application

C.
enable dtmf-relay

D.
disable VAD

Explanation:
Dial-peer 0(pid:0) has a default configuration that cannot be changed. The defaultdial-peer 0fails
to
negotiate non-default capabilities, services, and applications such as: