{
  "Signaling": {
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "TriggerCSFBOnSDPError": true,
    "AlwaysAddSipInstance": true,
    "UseFakeSAsForDeregistration": true,
    "SupportPEarlyMediaHeader": true,
    "UseCIDUrlInPIDF": false,
    "ussdEnabled": false,
    "QosOptionsClass": "voice",
    "EarlyMediaNeedsHeader": true,
    "strictCallFlows": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX,4XX,5XX,6XX",
    "AlwaysSendSessionProgress": true,
    "TriggerCSFBOnWaitForRingingTimeout": true,
    "RingbackTimerSeconds": 40,
    "SendPreferredServiceInInvite": true,
    "CountryOfOriginationFormat": "PANI",
    "RequirePreconditionsWhenMandatory": false,
    "WaitForRingingTimerMTSeconds": 25,
    "EnableCellularNetworkInfo": true,
    "UseIPSec": true,
    "RingingTimerSeconds": 45,
    "AddQosOptionsToSockets": true
  },
  "ConferenceCalling": {
    "SendConferenceSubscribeInNewDialog": true,
    "SendReferToPeer": false,
    "AlwaysSubscribeToConferenceEvents": true,
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc001.mcc370.3gppnetwork.org"
  },
  "AllowHandoverWithoutIMSVoiceService": false,
  "SMS": {
    "allowCSFBInVolteMode": true
  },
  "Media": {
    "RTCPIntervalSeconds": 5,
    "PreferredAMRNBMode": 7,
    "EnableBandwidthSpecifiers": true,
    "ModeChangeCapability": 2,
    "AudioCodecs": {
      "PayloadTypeItem": {
        "EncodingName": "AMR"
      }
    },
    "PreferredAMRWBMode": 8,
    "InactivityTimerRTPSeconds": 10,
    "UseRTPDetectionAutoStart": true,
    "IncludeSDPMaxRed": true,
    "IncludeSDPModeChangeCapability": true
  },
  "SIM": {
    "IgnoreISIM": true
  },
  "Voice": {
    "DialAsEmergencyOverIMSForUndetectedEmergency": false,
    "E911OverCSIfNoIMSReg": true,
    "EnableVolteByDefault": true,
    "endNonEmergencyCalls": false
  }
}