# Call holding, retrieval, and transfer events

Event | Informational/ Transitional | Solicited/ Unsolicited | Indicates that...
--- | --- | --- | ---
NCCEVN_CALL_HELD | Transitional | Solicited/ Unsolicited | A call was placed on hold by the application or by a remote party.
NCCEVN_CALL_RETRIEVED | Transitional | Solicited/ Unsolicited | A held call was retrieved by the application or by a remote party.
NCCEVN_HOLD_REJECTED | Informational | Solicited | A request to put a call on hold was rejected.
NCCEVN_CALLID_AVAILABLE | Informational | Unsolicited | A call identifier used to identify a call in two channel transfer is available.
NCCEVN_RETRIEVE_REJECTED | Informational | Solicited | A retrieve call request was rejected.