{
  "Signaling": {
    "ForceTcp": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX,4XX,5XX,6XX",
    "AllowResponsesOverDifferentTransport": false,
    "SupportPEarlyMediaHeader": true,
    "RingbackTimerSeconds": 120,
    "RingingTimerSeconds": 33,
    "RequirePreconditionsWhenMandatory": false,
    "EarlyMediaNeedsHeader": true,
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "TriggerCSFBOnSDPError": true,
    "Preconditions": "Supported",
    "AdditionalContactParams": {
      "INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "AlwaysAddSipInstance": true,
    "AlwaysUnsubscribeFromRegEvents": false,
    "ValidateSipMessageRecipient": false,
    "UseIPSec": true,
    "EmergencyLocationLookupRequired": false
  },
  "Voice": {
    "E911OverITechSupported": true,
    "EnableVolteByDefault": true
  },
  "ConferenceCalling": {
    "AlwaysSubscribeToConferenceEvents": true,
    "SendConferenceSubscribeInNewDialog": true,
    "conferenceServer": "sip:Conf-Factory@three.co.uk"
  },
  "EnableWiFiCallingByDefault": true,
  "AllowHandoverWithoutIMSVoiceService": true,
  "XCAP": {
    "SupportsCW": false,
    "ContentType": "application/xcap-el+xml",
    "DisableOnNetworkError": false,
    "supported": true,
    "ForbiddenHttpErrorCodes": ""
  },
  "Media": {
    "InactivityTimerRTPSeconds": 20,
    "AudioCodecs": {
      "109": {
        "ch-aw-recv": "0",
        "br": "5.9-24.4",
        "SampleRate": 16000,
        "EncodingName": "EVS",
        "bw": "nb-swb",
        "hf-only": "0"
      }
    },
    "EVSHardBwLimit": "nb-swb",
    "IncludeSDPModeChangeCapability": true,
    "RTCPIntervalSeconds": 5,
    "EnableBandwidthSpecifiers": true
  },
  "SMS": {
    "enableInNonVoLTEMode": false,
    "allowCSFBInVolteMode": false
  },
  "EnableWiFiCallingWithoutEntitlement": true
}

{
  "Configuration_1": {
    "OverrideConfiguration": {
      "apns": [
        {
          "type-mask": 1081397,
          "password": "",
          "DefaultProtocolMask": 3,
          "AllowedProtocolMaskInRoaming": 1,
          "username": "",
          "apn": "mob.asm.net",
          "AllowedProtocolMask": 3
        }
      ],
      "AttachAPN": {
        "3GPP": {
          "password": "",
          "PcscfAddressRequired": false,
          "username": "",
          "apn": "mob.asm.net",
          "AllowedProtocolMaskInRoamingLTE": 1,
          "AllowedProtocolMask": 3
        }
      }
    },
    "SupportedSIMs": [
      "23420_GID1-0309"
    ]
  }
}

{
  "WiFiCallingIdentityProtectionMethod": "PseudoID",
  "ChildSAs": {
    "FirstChild": {
      "ChildProposals": [
        {
          "EncryptionAlgorithm": [
            "AES-128"
          ],
          "Lifetime": 80000,
          "IntegrityAlgorithm": [
            "SHA2-256"
          ]
        }
      ],
      "InstallPolicies": true,
      "ReplayWindowSize": 12
    }
  },
  "WifiCallingAllowedInRoaming": false,
  "iRatPolicies": {
    "PreferredTechnology": "cellular"
  },
  "ExtraConfigurationAttributeRequestv6": [
    {
      "Identifier": 16386,
      "Name": "AssignedPCSCFIPv6",
      "Type": "IPv6Address"
    }
  ],
  "SupportCallHandover": true,
  "TechPolicies": [
    {
      "policy": "TRUE",
      "serviceMask": 131072
    },
    {
      "policy": "TRUE",
      "serviceMask": 262144
    }
  ],
  "ExtraConfigurationAttributeRequestv4": [
    {
      "Identifier": 16384,
      "Name": "AssignedPCSCFIPv4",
      "Type": "IPv4Address"
    }
  ],
  "5wiServiceMask": 3,
  "IKE": {
    "LocalIdentifier": "anonymous@nai.epc.mnc020.mcc234.3gppnetwork.org",
    "NATTKeepAliveOffload": true,
    "DeadPeerDetectionRetryInterval": 10,
    "DeadPeerDetectionEnabled": false,
    "RemoteAddress": "epdg.epc.mnc020.mcc234.pub.3gppnetwork.org",
    "Username": "0$imsi@nai.epc.mnc020.mcc234.3gppnetwork.org",
    "Proposals": [
      {
        "EncryptionAlgorithm": "AES-256",
        "IntegrityAlgorithm": "SHA2-256",
        "DHGroup": 14,
        "AuthenticationMethod": "Certificate",
        "Lifetime": 80000,
        "EAPMethod": "EAP-AKA",
        "PRFAlgorithm": "SHA2-256"
      }
    ],
    "DeadPeerDetectionMaxRetries": 4,
    "DeadPeerDetectionInterval": 600,
    "RemoteCertificateAuthorityName": "DigiCert Global Root G2",
    "RemoteCertificateHostname": "epdg.epc.mnc020.mcc234.pub.3gppnetwork.org",
    "ValidateRemoteCertificate": true
  }
}

[
  {
    "type-mask": 1081349,
    "password": "",
    "DefaultProtocolMask": 3,
    "enableXLAT464": true,
    "AllowedProtocolMaskInRoaming": 1,
    "username": "",
    "apn": "three.co.uk",
    "AllowedProtocolMask": 3
  },
  {
    "password": "",
    "username": "",
    "apn": "3hotspot",
    "type-mask": 48
  },
  {
    "type-mask": 131072,
    "password": "",
    "tech-type-mask": 131072,
    "DefaultProtocolMask": 2,
    "SupportSwitchOver": true,
    "username": "",
    "apn": "ims",
    "AllowedProtocolMask": 2
  },
  {
    "password": "",
    "username": "",
    "apn": "sos",
    "DefaultProtocolMask": 3,
    "type-mask": 262144,
    "AllowedProtocolMask": 3
  }
]