Inter-Operator-Identifier AVP

The Inter-Operator-Identifier AVP (AVP code 838) is of type Grouped and holds the identification of the network neighbors (originating and terminating) as exchanged via SIP signalling.

AVP	Number	Reference	Start	Interim	Stop	Event
[ Originating-IOI ]	839	3GPP	Y	Y	Y	N/A
[ Termination-IOI ]	840	3GPP	Y*	Y	Y	N/A

Y*—These AVPs appear in start records if account-config, generate-start is set to OK.