{
  "Media": {
    "InactivityTimerRTPSeconds": 20,
    "RTCPIntervalSeconds": 5,
    "IncludeSDPMaxRed": false,
    "IncludeSDPModeChangeCapability": true,
    "EnableBandwidthSpecifiers": false
  },
  "Signaling": {
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "TriggerCSFBOnSDPError": true,
    "AlwaysAddSipInstance": true,
    "UseFakeSAsForDeregistration": true,
    "SupportPEarlyMediaHeader": true,
    "UseCIDUrlInPIDF": false,
    "ussdEnabled": true,
    "EarlyMediaNeedsHeader": true,
    "strictCallFlows": true,
    "AlwaysUnsubscribeFromRegEvents": true,
    "SendLocalTimeZoneInformation": false,
    "InviteErrorResponsesToTriggerCSFB": "3XX,4XX,5XX,6XX",
    "AlwaysSendSessionProgress": true,
    "RingbackTimerSeconds": 90,
    "WaitForRingingTimerMTSeconds": 25,
    "SendPreferredServiceInInvite": true,
    "RequirePreconditionsWhenMandatory": false,
    "CountryOfOriginationFormat": "PANI",
    "UseIPSec": true,
    "RingingTimerSeconds": 90
  },
  "ConferenceCalling": {
    "SendConferenceSubscribeInNewDialog": false,
    "SendReferToPeer": false,
    "AlwaysSubscribeToConferenceEvents": true,
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc001.mcc216.3gppnetwork.org"
  },
  "SMS": {
    "allowCSFBInVolteMode": false
  },
  "Voice": {
    "DialAsEmergencyOverIMSForUndetectedEmergency": false,
    "E911OverIMSSupported": false,
    "E911OverCSIfNoIMSReg": true,
    "EnableVolteByDefault": true,
    "endNonEmergencyCalls": false
  }
}