curl --request POST \
  --url https://api2.rhombussystems.com/api/audiogateway/updateConfig \
  --header 'Content-Type: application/json' \
  --header 'x-auth-apikey: <api-key>' \
  --header 'x-auth-scheme: <x-auth-scheme>' \
  --data '
{
  "audioExternalMicBoost": 1,
  "audioExternalMicVolume": 32,
  "audioExternalSpeakerVolume": 64,
  "audioInternalMicAecEnabled": true,
  "audioInternalMicBoost": 1,
  "audioInternalMicVolume": 32,
  "audioInternalSpeakerVolume": 64,
  "audioRecord": true,
  "audioUseExternalMic": false,
  "audioUseExternalSpeaker": false,
  "deviceMicEnabled": true,
  "deviceSpeakerEnabled": true,
  "frontendEqualizerHighShelf": {
    "frequency": 123,
    "gain": 123,
    "q": 123
  },
  "frontendEqualizerLowShelf": {
    "frequency": 123,
    "gain": 123,
    "q": 123
  },
  "frontendEqualizerPeaking1": {
    "frequency": 123,
    "gain": 123,
    "q": 123
  },
  "frontendEqualizerPeaking2": {
    "frequency": 123,
    "gain": 123,
    "q": 123
  },
  "frontendEqualizerPeaking3": {
    "frequency": 123,
    "gain": 123,
    "q": 123
  },
  "frontendNoiseSuppression": true,
  "uuid": "AAAAAAAAAAAAAAAAAAAAAA.v0"
}
'

{
  "error": true,
  "errorMsg": "<string>",
  "warningMsg": "<string>"
}