{
  "EmergencyNumbers": [
    {
      "PreferredEmergencyNumber": true,
      "Category": 4,
      "Title": "EMERGENCY_DISAMBIGUATION_FIRE",
      "Number": "101"
    },
    {
      "PreferredEmergencyNumber": true,
      "Category": 1,
      "Title": "EMERGENCY_DISAMBIGUATION_POLICE",
      "Number": "102"
    },
    {
      "PreferredEmergencyNumber": true,
      "Category": 2,
      "Title": "EMERGENCY_DISAMBIGUATION_AMBULANCE",
      "Number": "103"
    },
    {
      "Number": "105",
      "Category": 8
    }
  ]
}

{
  "Media": {
    "InactivityTimerRTPSeconds": 30,
    "EnableBandwidthSpecifiers": true,
    "IncludeSDPMaxRed": true
  },
  "Signaling": {
    "strictCallFlows": true,
    "InviteErrorResponsesToTriggerCSFB": "403,500,503,380",
    "RingbackTimerSeconds": 60,
    "RingingTimerSeconds": 60,
    "SendPreferredServiceInInvite": true,
    "RequirePreconditionsWhenMandatory": false,
    "ussdEnabled": true,
    "EarlyMediaNeedsHeader": true,
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "CountryOfOriginationFormat": "BOTH",
    "Preconditions": "Supported",
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting;+g.3gpp.mid-call"
    },
    "AlwaysAddSipInstance": true,
    "AlwaysSendSessionProgress": true,
    "TriggerCSFBOnSDPError": true,
    "UseCIDUrlInPIDF": true,
    "WaitForRingingTimerMTSeconds": 15
  },
  "ConferenceCalling": {
    "AlwaysSubscribeToConferenceEvents": true,
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc${MNC}.mcc${MCC}.3gppnetwork.org"
  },
  "SMS": {
    "allowCSFBInVolteMode": true,
    "SMSBundleToVoice": true,
    "SupportedDomains": {
      "GSM": false,
      "LTE": true,
      "UMTS": false
    }
  },
  "Voice": {
    "EnableVolteByDefault": true
  }
}