If this is the only appearance of the DN, you should be able to use the "Remove from Device" button on the DN config page for the specified phone. The system will spit out a warning about not have a DN, but will not cause any issues. This will automatically move the DN to the Unassigned DN List. Let me know if they are "Shared Lines" and I'll send you a link :)
We usually put a dummy DN on these phones that still have access to 911 just in case, it also makes it easy to search for them in the dB.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...