| BargeInCallbackAsync(ActiveConnection, DN, PBXConnectionBargeInMode) | barge-in to the call of the specifid participant form the Extension |
| BargeInCallbackAsync(ActiveConnection, RegistrarRecord, PBXConnectionBargeInMode) | Barge in to the participant from the specific Extension device |
| BargeInCallbackAsync(DN, ActiveConnection, PBXConnectionBargeInMode) | Call barge-in from the specific Extension. All devices of the Extension will be called. |
| BargeInCallbackAsync(RegistrarRecord, ActiveConnection, PBXConnectionBargeInMode) | Call barge-in from the specific Extension device. Only specific device of the extension will receive barge-in callback. |