curl --request GET \
  --url https://app.altheastudio.ai/api/accounts/me/telephony_config \
  --header 'X-API-Key: <api-key>'

{
  "twilio": {
    "accountSid": "<string>",
    "authTokenPrefix": {
      "prefix": "<string>"
    },
    "callCreationAllowedAgentIds": [
      "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    ],
    "callCreationAllowAllAgents": false,
    "requestContextMapping": {}
  },
  "telnyx": {
    "accountSid": "<string>",
    "apiKeyPrefix": {
      "prefix": "<string>"
    },
    "publicKeyPrefix": {
      "prefix": "<string>"
    },
    "applicationSid": "<string>",
    "callCreationAllowedAgentIds": [
      "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    ],
    "callCreationAllowAllAgents": false,
    "requestContextMapping": {}
  },
  "plivo": {
    "authId": "<string>",
    "authTokenPrefix": {
      "prefix": "<string>"
    },
    "callCreationAllowedAgentIds": [
      "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    ],
    "callCreationAllowAllAgents": false,
    "requestContextMapping": {}
  }
}