Configuring ISDN and Leased Line Connections 2-3Note: If your ISDN Line Configuration screen contains items thatare not discussed in this section, such as SPIDs, see Appendix C,“ISDN Configuration Guide.”The ISDN Line Configuration screen consists of up to three pop-upmenus and up to four editable fields.North America ISDNmodels only ISDN Line ConfigurationCircuit Type... SwitchedSwitch Type... National ISDN-1 (NI-1)SPID 1: 510.238.4166.1SPID 2: 510.238.4167.2Directory Number 1: 510.577.4166Directory Number 2: 510.238.4167Data Link Encapsulation... PPPReturn/Enter goes to new screen.Enter information supplied to you by your ISDN phone company.1. Select Circuit Type and press Return. From the pop-up menu,highlight Switched if you have an ISDN switched line, orPermanent if you have a dedicated or leased ISDN line. PressReturn.If you select Switched, go to step 3. If you select Permanent, goto step 2.Note: The Switch Type, SPIDs, and Directory Numbers applyonly to Switched ISDN service. If you select Permanent, thesefields are not displayed.2. If you select Permanent as your circuit type, select B-ChannelUsage.
