Symptom(s)
A MCC7500 Elite dispatch console located at Site X fails to hear receive audio on any shared resource from MCC7500 Elite dispatch consoles at Site Y
Regardless which radio resource on the console is either selected or unselected, when that same resource on any of the consoles at Site Y are keyed up, no audio is being heard on the select or unselect speaker
When audio is expected but not heard, the speaker icon on the resource will appear, indicating that there is radio traffic on the resource
Issue
The OP was cross-muted with the other OP. The OPs can be at the same site or a different site.
Environment
MCC7500
MCC7500E
AXS
Resolution
Update the Acoustic Cross Mute table in the Provisioning Manager to remove the entries relating to the console OPs that shouldn't be cross-muted
Provisioning Manager -> Console -> Acoustic Cross Mute