Telos NX12 user manual Is the Isdn working?, More Tips

28  Section 3

More Tips

Incorrectly entered SPIDs are the most common problem users in the USA & Canada have placing ISDN calls. Compare the SPIDs you have entered with the SPIDs provided to you on by the phone company to be certain that you have entered them correctly. Do not add anything to your SPIDs. Note that there are no hyphens, dashes (-), or spaces in SPIDs so the system will not allow you to enter any non-numeric characters. If your installer has included them in the SPID, ignore them.

For a list of known working USA SPIDs by telephone company, see Appendix A.

If you have PTP (AT&T Point-to-Point) or ETS300 (Euro-ISDN) ISDN protocol, you should not enter anything in the SPID fields.

Hot Tip

If you experience problems only with incoming calls, check your DNs.

Is the ISDN working?

Successful initialization of a line will be indicated by the idle line state on the Desktop Director. This state is shown with a single dot in the center of the LED icon display being lit.

You can also check the line status on the Nx12 main box LCD. Press any menu button twice and then press the ∇ button to cycle through the status screen. You should see a screen that has A – ISDN B – ISDN at the top. If you do not see this screen, just repeatedly press the ∇or ∆ button until you see this screen.

If you do not see READY for each ISDN channel on the Status screen, try rebooting the system from the System/Reboot menu. If you still do not get READY, you will need to check both your ISDN lines and the ISDN configuration settings.

IMPORTANT

Users in the USA & Canada should see READY status for each line whenever the system is idle. On certain ETS-300 ISDN lines, the lines may go from READY to DEACTIVATED after a time interval. This is no cause for alarm and you can proceed with the following steps.

Once you see READY for each channel on the Status screens, you can proceed to make a call and verify that the ISDN lines are, in fact, working. We will start with the simplest case, a call from your line 1 to your line 2, as follows:

♦♦ Confirm that the Desktop Director you will be using has power and says Talent at the top of the screen. If it says Producer, follow the directions in Section 4.1 to change to Talent mode.

♦♦ Pick up the handset and push each line button in the left column and listen for dial tone. You should see the ⇐ icon as each line is selected.

♦♦ Select line 1 and enter the phone number for line 2 using the numeric keypad.

♦♦ You should now hear a ringing sound and see the ringing Status Symbol (an expanding square) on line 2. Press the right column line 2 button to answer this call. You should see the ⇒ icon.