{
  "Media": {
    "RingbackTone": "CEPT",
    "InactivityTimerRTPSeconds": 20,
    "RTCPIntervalSeconds": 5,
    "EnableBandwidthSpecifiers": false
  },
  "Signaling": {
    "InviteErrorResponsesToTriggerCSFB": "5XX,6XX",
    "EnableCellularNetworkInfo": false,
    "AlwaysPrack18x": false,
    "MaxUdpMessageSize": 2000,
    "RegSubscriptionEnabled": false,
    "RingbackTimerSeconds": 120,
    "RingingTimerSeconds": 45,
    "RequirePreconditionsWhenMandatory": false,
    "SupportPEarlyMediaHeader": true,
    "IncomingCallEndReasons": {
      "NotFound": {
        "StatusCode": 408,
        "TerminationEvent": "RemoteHangup"
      },
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "EarlyMediaNeedsHeader": false,
    "Preconditions": "Supported",
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "AlwaysAddSipInstance": true,
    "CountryOfOriginationFormat": "BOTH",
    "AlwaysSendSessionProgress": true,
    "WaitForRingingTimerMOSeconds": 30,
    "ussdEnabled": false
  },
  "XCAP": {
    "supported": false
  },
  "ConferenceCalling": {
    "SendConferenceSubscribeInNewDialog": true,
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc005.mcc413.3gppnetwork.org"
  },
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SupportedDomains": {
      "GSM": false,
      "LTE": true,
      "UMTS": false
    },
    "allowCSFBInVolteMode": true
  },
  "Voice": {
    "E911OverCSIfNoIMSReg": true,
    "E911OverITechSupported": false,
    "EnableVolteByDefault": true
  }
}