When a TIE call comes in on your PBX from other
Routing Procedure 2: (2)
N o
extension number in
the received digits?
Does that extension
actually exist?
Is
Does the leading 3-
digit of the received
digits match your
PBX Code?
Is there
a CO
N o
access code of
PBX in the
your
received digits?
Is "TIE-CO
selected trunk group
set to "Yes"?
Sends reorder tone.
Does the leading 3-
digit of the received
digits match a "Code"
in a Routing Table?
I
making an outgoing
TIE call is decided
3 - F - 7 0
(70695)
N o
Calling to CO. 1
N o