2.2.2 GroupDescriptionThis PBX supports various types of groups.1. Trunk GroupTrunks can be grouped into a specified number of trunk groups (e.g., for each carrier, trunk type, etc.).Several settings can be assigned on a trunk group basis. All trunks belonging to a trunk group follow theassignment determined for that trunk group.® [402] LCOT/BRI Trunk Group NumberOne trunk can belong to only one trunk group on a port or channel basis.Port basis: LCOT/DID/E & M/ISDN-BRI/ISDN-PRI23/ISDN-PRI30Channel basis: E1/T12. Extension User GroupThe PBX supports extension user groups, each of which is used to compose the following groups:a. Tenant (® 2.2.3 Tenant Service)b. Call Pickup Group (See below.)c. Paging Group (See below.)Every extension must belong to one extension user group, but cannot belong to more than one extensionuser group.® [603] Extension User GroupAssignable Extensions: PT/SLT/PS/ISDN Extension/T1-OPX[Example]ExtensionUser Group 1Extn. 100 Extn. 101ExtensionUser Group 2Extn. 102 Extn. 103ExtensionUser Group 3Extn. 104 Extn. 105ExtensionUser Group 4Extn. 106 Extn. 107Call Pickup GroupUsing the Group Call Pickup feature, extensions can answer any calls within a specified group.One extension user group can belong to several call pickup groups.(® 1.4.1.3 Call Pickup)® [650] Extension User Groups of a Pickup Group[Example]ExtensionUser Group 1Call Pickup Group 1Extn. 100 Extn. 101ExtensionUser Group 2Extn. 102 Extn. 103ExtensionUser Group 3Extn. 104 Extn. 105Call Pickup Group 2 Call Pickup Group 3ExtensionUser Group 4Extn. 106 Extn. 107Paging GroupUsing the Paging feature, extensions can make a page to any paging groups or answer a page to theirown groups. One extension user group or external pager can belong to several paging groups.(® 1.15.1 Paging)® [640] Extension User Groups of a Paging GroupFeature Guide 3332.2.2 Group