No it doesn't, it actually says bye bye and then ends the call. This was working fine before. This is in the payload in the API i used

{"backgroundSound": "off", "dialKeypadFunctionEnabled": false, "endCallFunctionEnabled": false, "endCallMessage": "Thanks for reaching out to Bright Smile Clinic.", "endCallPhrases": ["goodbye", "bye", "talk to you soon", "talk to you later", "talk to you tomorrow"],