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VoIP Using ARS and No Gatekeeper
for Outgoing Calls
Placing an outgoing call, a user dials 9 (trunk access code). ARS starts.
The user dials a telephone number.
The inter-digit timer expires or the user presses #.
The system searches the ARS 6-Digit then the 3-Digit Table to find a selection number.
Is the trunk group field in Program
0928 blank or set to '0'?
The system searches for the
dialed digits in the Abbreviated
Dial Table IP Area (Program 0603)
within the search range (Program 0605).
Is a match found?
Does the table have a
trunk group setting in
Program 0604?
No
Yes
No
Yes
Stop
The trunk group and IP
address in Program 0928
are used to route the call.
Stop
Start
The trunk group number from the Selection Route Table, Program 2101, is used for the call.
Is this a VoIP trunk group
number (101 to 126)?
Use the last 2 digits of the
trunk group number as the
entry point to Program 0928.
Yes
The call is routed to the
indicated trunk group.
This is not a VoIP call.
No
Is this a VoIP call (is there
IP address data?)
The VoIP call is routed
on the indicated IP trunk
using the IP address.
The call is routed using the CO
trunk group indicated.
Yes
No
Use the trunk group
as an entry point
to Program 0928.
Yes
No
