The following should be read and understood before changing extension split assignments:
You cannot exit from the Change Extension Split Assignments window until the Communication Manager system responds to the requested changes.
Extension split assignment changes take effect immediately for agents who are in AUX work mode, AVAIL (available), or logged out. Changes are pending for agents on calls or in ACW work mode until the agent enters the AUX work mode, becomes available, or logs out.
For agents who frequently have calls on hold, extension split assignment changes can remain pending for a long time.