ZyXEL ISG50-PSTN User Guide - Page 495
FXO Trunk, Outbound Trunk Group
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Chapter 30 Outbound Trunk Group Table 170 Trusted Peer Auto Attendant and DDI Setup LABEL Representative Number DESCRIPTION This field displays the representative number configured for the trunk. Enable Routing by SIP "To" Header Select this if this auto-attendant interacts with a SIP server that uses the SIP To header to do the DDI/DID mapping. If this trunk outbound line group has DDI/DID mode enabled, using this deletes all of the this trunk outbound line group's DDI/DID mapping settings and sets the DDI/DID Mask to 0. Clear this to use the SIP request URI to do the DDI/DID mapping. DDI/DID Mask Enter a number (0~10) to decide the number of digits you want to enter for the next DDI/ DID number(s). 0 means you can enter any number of digits for the next DDI/DID number(s). DDI/DID Mapping Use this section to manage the DDI/DID numbers which allow outsiders to call and reach Summary extensions directly. Add Click this to create a new entry. Select an entry and click Add to create a new entry after the selected entry. See Section 30.2.3 on page 488 for a description of adding a DDI/DID mapping. Remove To remove an entry, select it and click Remove. The ISG50 confirms you want to remove it before doing so. DDI/DID Number Extension Number This field shows the DDI/DID number outsiders can call to reach the entry's extension directly. This field shows the extension that outsiders can reach directly by calling the entry's DDI/ DID number. OK Click OK to save your customized settings and exit this screen. Cancel Click Cancel to exit this screen without saving. 30.2.6 Add/Edit FXO Trunk The screens for editing or adding FXO trunks on the ISG50 contain the same fields. Only the screen used to add FXO trunks is shown below. Click the Add (or Edit) icon in the FXO Trunk section of the Outbound Trunk Group configuration screen to view the screen as shown. Figure 317 Add/Edit FXO Trunk ISG50 User's Guide 495
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