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IP Trunk Administration F IP Trunk Installation and
Administration
Administration for Network Connectivity
CID: 77730 555-233-504 — Issue 1 — April 2000
428
7 In the Add Originating Entry dialog box, you enter information that routes the call
data between originating and terminating locations. You need to enter information
that allows the IP Trunk to route calls based on dialed digits or on the line (port)
that a call arrives on.
Note: It is not possible to mix dialing strategies in the IP Trunk software. Once
line numbers are used to route calls, line numbers must be used on ALL
entries in a routing table.
Routing information entered will be based on information that has been entered
on the Dial/Routing Plan Worksheets, or on information collected based on the
Procedures for Extension Dialing Between Sites.
Routing based on Dialed String
If routing will be based on dialed string, enter any in the Line Number field, then
enter the information from the worksheets or a unique identifier for an extension
range from the Procedures for Extension Dialing.
Routing based on Line Numbers
If routing will be based on line numbers that are dedicated to a specific location,
you need to make sure that the same line number is used on both the originating
and destination switches. This is done by prepending a string of digits unique to a
line and associating it with that line number at both the originating and
terminating IP Trunks. This code will be discarded at the terminating end.
For example, in the display above, the code number 01 is entered in the Replace
Digits field as a unique digit string that will be associated with line number 1. If
none is entered in the Search Digits field, no digits will be searched for. We don’t
need to search for dialed digits because the line numbers, which are associated
with port numbers on the circuit pack, are dedicated in a DEFINITY trunk group
to a particular location. Any digits received on these lines will always be routed to
the same location. The only requirement is to prepend digits in the replace digits
field to ensure that a call placed on a line (port) at the originating end can be
terminated on the same line at the destination end. The digits prepended at the
originating end and searched for at the terminating end must be the same.
Note: Any digits searched for must also be replaced if they are used to complete
the routing of a call. If digit substitution will be needed, it may be
necessary to put a digit string in the Search Digits field, and substitute
those with new digits in the Replace Digits field.
8 For Entry Type, enter accept to allow incoming calls.
9 In the Search Digits field, type the digits entered in the Originating Search string
box for this site in the Dial/Routing Plan Worksheets, or follow the Procedures for
Extension Dialing Between Sites.
10 In the Replace Digits field, type the digits entered in the Originating Replace
string box for this site in the Dial/Routing Plan Worksheets, or follow the
Procedures for Extension Dialing Between Sites.
11 In the Destination Type field, select the appropriate value for the remote switch.
Select ITS R1.2 if the other switch uses IP Trunk.