{
  "Signaling": {
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "EnableLastAccessNetworkInfo": true,
    "TriggerCSFBOnSDPError": true,
    "UseCIDUrlInPIDF": true,
    "UseFakeSAsForDeregistration": true,
    "SupportPEarlyMediaHeader": true,
    "AlwaysAddSipInstance": true,
    "ussdEnabled": true,
    "QosOptionsClass": "voice",
    "EarlyMediaNeedsHeader": false,
    "strictCallFlows": true,
    "InviteErrorResponsesToTriggerCSFB": "380,5XX",
    "AlwaysSendSessionProgress": true,
    "DropRegistrationOnSRVCC": true,
    "TriggerCSFBOnWaitForRingingTimeout": true,
    "RingbackTimerSeconds": 40,
    "WaitForRingingTimerMTSeconds": 25,
    "SendPreferredServiceInInvite": true,
    "CountryOfOriginationFormat": "PANI",
    "Preconditions": "None",
    "UseIPSec": true,
    "RingingTimerSeconds": 45
  },
  "ConferenceCalling": {
    "SendConferenceSubscribeInNewDialog": false,
    "SendReferToPeer": false,
    "AlwaysSubscribeToConferenceEvents": false,
    "conferenceServer": "sip:conference@ims.mnc${mnc}.mcc${mcc}.3gppnetwork.org "
  },
  "SMS": {
    "SupportedDomains": {
      "GSM": false,
      "LTE": false,
      "UMTS": false
    }
  },
  "XCAP": {
    "supported": false
  },
  "Media": {
    "InactivityTimerRTPSeconds": 10,
    "EnableBandwidthSpecifiers": false,
    "IncludeSDPMaxRed": false
  },
  "SIM": {
    "IgnoreISIM": true
  },
  "Voice": {
    "DialAsEmergencyOverIMSForUndetectedEmergency": false,
    "E911OverIMSSupported": false,
    "E911OverCSIfNoIMSReg": false,
    "E911OverITechSupported": false,
    "EnableVolteByDefault": true
  }
}