Aastra OpenCom 510 User Guide - Page 159
Configuration, 14.3.1 Trunk groups, 14.3.2 Routes, PBX Configuration: Trunks, trunk group, route
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PBX Networking Configuration Note: Q.SIG-IP cannot be operated using a connection with NAT. 14.3 Configuration The possible configurations described below can be set up in the Web console using the PBX Configuration: Trunks menu. 14.3.1 Trunk groups This is a group of lines of the same type and direction. A line can only be assigned to one trunk group (bundle). Network operator PBX 1 A E BC D PBX 2 PBX 3 Bundle Trunk line Point-to-point connection Example of a PBX network with trunk groups In the above example, the following trunk groups are configured for PBX 1: ■ Two S0 lines in a multi-terminal configuration to the network operator which are assigned to the "A" trunk group. ■ Two S0 point-to-point connections to PBX 2 which are assigned to the "C" trunk group. ■ One S0 point-to-point connection to PBX 3 which is assigned to the "E" trunk group. Note: A line or a trunk group cannot be seized directly. It is always performed indirectly via a route. 14.3.2 Routes A route is a group of trunk groups enabling a connection in one direction. If the first trunk group of a route is fully utilized, the next trunk group is seized ("trunk group overflow"). One trunk group can also be used for different routes. 157