{
  "Signaling": {
    "strictCallFlows": true,
    "InviteErrorResponsesToTriggerCSFB": "380",
    "SupportPEarlyMediaHeader": true,
    "RingbackTimerSeconds": 120,
    "EnableSenderName": false,
    "RingingTimerSeconds": 120,
    "SendPreferredServiceInInvite": true,
    "RequirePreconditionsWhenMandatory": false,
    "IncomingCallEndReasons": {
      "TemporarilyUnavailable": {
        "StatusCode": 480,
        "TerminationEvent": "RemoteHangup"
      }
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "CountryOfOriginationFormat": "BOTH",
    "Preconditions": "Supported",
    "EarlyMediaNeedsHeader": true,
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "AlwaysAddSipInstance": true,
    "AlwaysSendSessionProgress": true,
    "UseCIDUrlInPIDF": true,
    "UseIPSec": true
  },
  "ConferenceCalling": {
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc001.mcc470.3gppnetwork.org"
  },
  "AllowHandoverWithoutIMSVoiceService": true,
  "SMS": {
    "enableInNonVoLTEMode": false,
    "UseRpOriginatingAddressAsSender": true,
    "allowCSFBInVolteMode": true
  },
  "XCAP": {
    "supported": false
  },
  "Media": {
    "InactivityTimerRTPSeconds": 30,
    "EnableBandwidthSpecifiers": true,
    "IncludeSDPMaxRed": true
  },
  "Voice": {
    "E911OverCSIfNoIMSReg": true
  }
}