| aAttachAPN | absent | {"3GPP":{"password":"","username":"","apn":"","AllowedProtocolMask":3}} |
| aDefaultWhenImsSwitchOff | absent | 0 |
| aIMSConfig.Emergency.MaxSearchRounds | absent | 1 |
| aIMSConfig.Media.AddBWSpecsAtSessionLevel | absent | true |
| aIMSConfig.Media.AudioCodecs.116.EncodingName | absent | EVS |
| aIMSConfig.Media.AudioCodecs.116.SampleRate | absent | 16000 |
| aIMSConfig.Media.AudioCodecs.116.max-red | absent | 220 |
| aIMSConfig.Media.EnableBandwidthSpecifiers | absent | true |
| aIMSConfig.Media.HideSessionLevelDirection | absent | true |
| aIMSConfig.Media.InactivityTimerRTPSeconds | absent | 120 |
| aIMSConfig.Media.IncludeSDPMaxRed | absent | true |
| aIMSConfig.Media.IncludeSDPModeChangeCapability | absent | true |
| aIMSConfig.Media.PacketAlignmentAMRNB | absent | bandwidthEfficientOnly |
| aIMSConfig.Media.PacketAlignmentAMRWB | absent | bandwidthEfficientOnly |
| aIMSConfig.Media.PayloadTypeBWEfficientAMRNB | absent | 97 |
| aIMSConfig.Media.PayloadTypeBWEfficientAMRWB | absent | 99 |
| aIMSConfig.SMS.allowCSFBInVolteMode | absent | false |
| aIMSConfig.SMS.enableInNonVoLTEMode | absent | false |
| aIMSConfig.Signaling.AddAccessNetworkInfoToInsecureMessages | absent | true |
| aIMSConfig.Signaling.AdditionalContactParams | absent | {"REGISTER":"+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.accesstype=\"cellular2\"","INVITE,INVITE:180,INVITE:183":"+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting;audio","INVITE:200,PRACK:200,UPDATE:200":"audio"} |
| aIMSConfig.Signaling.AdditionalFeatureTags | absent | {"voice":{"audio":""}} |
| aIMSConfig.Signaling.AllowResponsesOverDifferentTransport | absent | false |
| aIMSConfig.Signaling.AlwaysEmergencyRegister | absent | false |
| aIMSConfig.Signaling.AlwaysUnsubscribeFromRegEvents | absent | false |
| aIMSConfig.Signaling.ConvertSessionProgressToRinging | absent | false |
| aIMSConfig.Signaling.DisableAccessNetworkInfoForAckAndCancel | absent | true |
| aIMSConfig.Signaling.DisableRegistrationOnNotifyEvents | absent | ["rejected"] |
| aIMSConfig.Signaling.DropRegistrationOnSRVCC | absent | true |
| aIMSConfig.Signaling.EmergencyCallBackModeExpirationSeconds | absent | 450 |
| aIMSConfig.Signaling.EnableRegistrationSessionId | absent | true |
| aIMSConfig.Signaling.EnableSessionId | absent | true |
| aIMSConfig.Signaling.INVITE | absent | ["Accept: application/sdp,application/3gpp-ims+xml"] |
| aIMSConfig.Signaling.IncompleteRegistrationThrottlingIntervalSeconds | absent | 0 |
| aIMSConfig.Signaling.InviteErrorResponsesToTriggerCSFB | absent | |
| aIMSConfig.Signaling.MaxAuthRetries | absent | 3 |
| aIMSConfig.Signaling.PerCallQoSIndications | absent | false |
| aIMSConfig.Signaling.Preconditions | absent | Supported |
| aIMSConfig.Signaling.RefreshRegistrationDuringECBM | absent | false |
| aIMSConfig.Signaling.RegisterOnServiceUpdate | absent | false |
| aIMSConfig.Signaling.RequireExplicitPortsForEmergencyRoutes | absent | true |
| aIMSConfig.Signaling.SendInitialInviteAsInactive | absent | true |
| aIMSConfig.Signaling.SendPreconditionsInConfirmedSessions | absent | true |
| aIMSConfig.Signaling.SendPreferredServiceInInvite | absent | true |
| aIMSConfig.Signaling.TcpIdleTimeoutSeconds | absent | 0 |
| aIMSConfig.Signaling.UseEphemeralSipSourcePortForTcp | absent | true |
| aIMSConfig.Signaling.UseIPSec | absent | true |
| aIMSConfig.Voice.CellularE911SearchTimeout | absent | 40 |
| aIMSConfig.Voice.CheckIMSPrefForEmergency | absent | false |
| aIMSConfig.Voice.DialAsEmergencyOverIMSForUndetectedEmergency | absent | true |
| aIMSConfig.Voice.tLte911Timer | absent | 9 |
| aIMSConfig.XCAP | absent | {"BsfHost":"bsf.test.3gpp.com","DisableOnNetworkError":false,"ForbiddenHttpErrorCodes":"","UnsolicitedRequestDelay":0,"imsRegistrationDependency":true,"Auid":"XCAP.3gpp.org/simservs.ngn.etsi.org","ContentType":"application/xcap-el+xml","BsfPort":"80","supported":true} |
| aLocation | absent | {"AllowOTDOADuringEmergencyMode":true} |
| aShowVolteSwitch | absent | true |
| aShowVolteWarningUnsupportedCarrier | absent | false |
| aSupportsIMSSignalingIndication | absent | true |
| aSupportsImsCapability | absent | true |
| aSupportsSupplementaryServicesOverIMS | absent | true |
| aapns[1].DefaultProtocolMask | absent | 3 |
| aapns[2].DefaultProtocolMask | absent | 3 |
| aapns[3].DefaultProtocolMask | absent | 3 |
iOS 27.2 beta 1–2 image · build 72.7.1 beta 
iOS 26.5 – 26.6.2 image · build 70.0