def channels_voice_phone_number_create(self, data, **kwargs):
        "https://developer.zendesk.com/rest_api/docs/voice-api/phone_numbers#create-phone-numbers"
        api_path = "/api/v2/channels/voice/phone_numbers.json"
        return self.call(api_path, method="POST", data=data, **kwargs)
https://developer.zendesk.com/rest_api/docs/voice-api/phone_numbers#create-phone-numbers