Erasing Changes to Preset Conferences
If you apply the Eraser to a preset conference, and then add that preset conference to an existing conference, the members are erased and then replaced with the members of the preset conference.
Preset conferences are only created within Dynam-EC are not sent to the matrix. Only when they are applied to existing conferences are changes sent to the matrix.
For more information about preset conferences, see Preset Conferences.
The eraser also applies to IFBs. You can erase an entire IFB, or only erase sources, returns and destinations.