A DNIS answers only while the campaign runs · Visual
A call hits a DNIS
INVITE
The carrier delivers the
DNIS.
PSTN
State
The campaign must be
running.
VCC
Busy
If it is stopped, the
caller hears busy.
VCC
IVR
The script starts only
after the campaign
VCC
Prompt
Greetings and menus play
from the script.
Caller
Skill
Skill Transfer queues to
agents.
VCC
State comes before treatment.
Sources and go deeper
Inbound campaigns
.
vendor
. last checked 2026-10.
ITU-T E.164, international public telecommunication numbering
.
standard
. last checked 2026-10.
Interactive voice response
.
wikipedia
. last checked 2026-10.