2.2 ProgrammingProgramming Guide 37Detailed ExplanationsAutomatic Route RedirectionWhen more than one card is installed in a PBX, you can assign them to a single gateway group.Grouping allows you to logically combine the channels of multiple cards in a PBX (there are 4channels per card). This aids the effective use of channels in a PBX.The following diagram and tables provide an example of this configuration.Example of ConfigurationIn the diagram below, there are 2 cards (cards B and C) installed in PBX 2.Example of Gateway Entry ProgrammingThrough gateway entry programming, cards B and C are grouped into a single gateway group.Example of DN2IP Entry ProgrammingWhen DN2IP entries are programmed as in the table below, calls through card A arrive at gatewaygroup 1, which includes cards B and C.Parameter Card A Card B Card CGW No 0 1 2Comment IP-GW Card A IP-GW Card B IP-GW Card CIP Address 192.168.1.1 192.168.1.2 192.168.1.3Group No. 0 1 1Parameter To Card A To Gateway Group 1(Cards B and C)Leading Number 951 952Remaining Number of Digits 3 4GW No/Group No. Selection GW GroupGW No/Group No. 0 1Card AIP Address: 192.168.1.1PBX 1• PBX Code: 951• Extension Number: 3 digitsPBX 2• PBX Code: 952• Extension Number: 4 digitsCard BIP Address: 192.168.1.2Card CIP Address: 192.168.1.3Gateway Group 1IP Network