| IMSConfig.Media.preferredAMRWBMode | 2 | absent |
| IMSConfig.Signaling.AllowedPdpTypeMask | 1 | absent |
| IMSConfig.Signaling.DefaultAuthAlgorithm | absent | AKAv1-MD5 |
| IMSConfig.Signaling.DropRegistrationOnSRVCC | absent | true |
| IMSConfig.Signaling.IncomingCallEndReasons | absent | {"TemporarilyUnavailable":{"TerminationEvent":"RemoteHangup","StatusCode":480}} |
| IMSConfig.Signaling.InitialRemotePreconditionStrength | absent | mandatory |
| IMSConfig.Signaling.OnlyUpdatePreconditionsIfConfPresent | true | absent |
| IMSConfig.Signaling.PreconditionUpdateDelayTimerMilliseconds | absent | 128000 |
| IMSConfig.Signaling.Preconditions | absent | Required |
| IMSConfig.Signaling.TriggerCSFBOnWaitForRingingTimeout | true | absent |
| IMSConfig.Signaling.UseIPSec | absent | true |
| IMSConfig.Signaling.defaultAuthAlgorithm | AKAv1-MD5 | absent |
| IMSConfig.Signaling.dropRegistrationOnSRVCC | true | absent |
| IMSConfig.Signaling.initialRemotePreconditionStrength | mandatory | absent |
| IMSConfig.Signaling.preconditionUpdateDelayTimer | 128000 | absent |
| IMSConfig.Signaling.preconditions | required | absent |
| IMSConfig.Signaling.useIPSec | true | absent |
| IMSConfig.Voice | absent | {"EnableVolteByDefault":true} |
| IMSConfig.XCAP | {"supported":false} | absent |