curl --request POST \
  --url https://api.g-tateth.com/api/telephony/calls/initiate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customerPhone": "+2348012345678",
  "agentId": "<string>",
  "customerId": "<string>",
  "conversationId": "<string>",
  "customGreeting": "<string>",
  "recordingEnabled": true
}
'

{
  "success": true,
  "data": {
    "callId": "<string>",
    "conversationId": "<string>",
    "webRTC": {}
  }
}