{
  "Media": {
    "RingbackTone": "UK"
  },
  "Signaling": {
    "strictCallFlows": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX,4XXX,5XX,6XX",
    "SupportPEarlyMediaHeader": true,
    "SendPreferredServiceInInvite": true,
    "ussdEnabled": true,
    "EarlyMediaNeedsHeader": true,
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "UseCIDUrlInPIDF": true,
    "Preconditions": "None",
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting;+g.3gpp.mid-call"
    },
    "CountryOfOriginationFormat": "PANI",
    "TriggerCSFBOnSDPError": true,
    "UseFakeSAsForDeregistration": true,
    "UseIPSec": true
  },
  "XCAP": {
    "supported": false
  },
  "ConferenceCalling": {
    "AlwaysSubscribeToConferenceEvents": true,
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc${MNC}.mcc${MCC}.3gppnetwork.org"
  },
  "SMS": {
    "SMSBundleToVoice": true,
    "SupportedDomains": {
      "GSM": false,
      "LTE": true,
      "UMTS": false
    }
  },
  "Voice": {
    "EnableVolteByDefault": true
  }
}