{
  "Configuration_1": {
    "OverrideConfiguration": {
      "apns": [
        {
          "password": "",
          "username": "",
          "apn": "internet",
          "type-mask": 49
        },
        {
          "password": "",
          "username": "",
          "apn": "internet",
          "type-mask": 48
        },
        {
          "password": "",
          "username": "",
          "apn": "ims",
          "type-mask": 131072,
          "AllowedProtocolMask": 1
        }
      ],
      "ShowVolteSwitch": true,
      "IMSConfig": {
        "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
        }
      },
      "ShowVolteWarningUnsupportedCarrier": false
    },
    "SupportedSIMs": [
      "338180",
      "344920",
      "376350",
      "37635",
      "365840"
    ]
  }
}