NoteMM-EventRes Message
This service is used between the VLR and the gsmSCF or between the SGSN and the gsmSCF when a mobility management event for a subscriber
has been processed successfully, that subscriber is provisioned with M-CSI or MG-CSI and the relevant mobility management event is marked for reporting.
This service is also used between the VLR and the Presence Network Agent or between the SGSN and the Presence Network Agent to notify the Presence Network
Agent when a mobility management event for a subscriber has been processed successfully, that subscriber is provisioned with M-CSI or MG-CSI and the relevant
mobility management event is marked for reporting (see 3GPP TS 23.141).
Reference: TS 29.002-f30