{
  "Media": {
    "InactivityTimerRTCPSeconds": 30,
    "AllowIPv6UnicastAddress": true
  },
  "SMS": {
    "enableInNonVoLTEMode": false,
    "SupportedDomains": {
      "LTE": true,
      "GSM": false,
      "UMTS": false,
      "NR": false
    },
    "allowCSFBInVolteMode": true
  },
  "Signaling": {
    "DropRegistrationOnSRVCC": true,
    "UseIPSec": true,
    "AdditionalContactParams": {
      "REGISTER": "+g.3gpp.accesstype=\"cellular2\""
    }
  }
}