{
  "Signaling": {
    "UseCIDUrlInPIDF": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX",
    "SupportPEarlyMediaHeader": true,
    "RingbackTimerSeconds": 46,
    "RingingTimerSeconds": 46,
    "SendPreferredServiceInInvite": true,
    "RequirePreconditionsWhenMandatory": false,
    "ussdEnabled": true,
    "IncomingCallEndReasons": {
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "EarlyMediaNeedsHeader": true,
    "CountryOfOriginationFormat": "BOTH",
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "AlwaysAddSipInstance": true,
    "AlwaysSendSessionProgress": true,
    "UseFakeSAsForDeregistration": true,
    "DropRegistrationOnSRVCC": true,
    "TriggerCSFBOnSDPError": true
  },
  "ConferenceCalling": {
    "conferenceServer": "mmtel@conf-factory.ims.mnc008.mcc456.3gppnetwork.org",
    "SendConferenceSubscribeInNewDialog": true,
    "TreatAllNotificationsAsPartial": true
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "UseRpOriginatingAddressAsSender": true
  },
  "XCAP": {
    "supported": false
  },
  "Media": {
    "EnableBandwidthSpecifiers": true,
    "IncludeSDPMaxRed": true
  },
  "Voice": {
    "E911OverCSIfNoIMSReg": true,
    "endNonEmergencyCalls": true,
    "EnableVolteByDefault": true
  }
}