What to do if my Nortel PBX message did not reach all recipients?
- JJason BuchananOct 26, 2025
If your Nortel PBX message fails to reach all recipients, several factors could be at play. First, check the NDN reason explanation if available. Attempt manual dialing of the number, estimating pause timings. Verify that DNs without pause or number-sign digits are functioning correctly. If the Telset Application service didn't start, examine the address format on the server-side. Confirm whether the Telset Application service was involved by reproducing the problem and checking if the service started. If the Telset service started, a SLEE trace may be needed for further analysis. For Remote Notification and Default Fax DN Attendant Transfer issues, Telset application investigation (SLEE trace) is necessary. If you're using ISDN, provide M1: D-Channel (Monitor level 2) and ELAN traces, Cal...

















