# 计费FAQ
#### 基础知识相关
- [短信发送失败是否扣费？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0014.html)
- [消息\&短信服务需要预充值多少？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0068.html)
- [短信是否支持免费试用或提供免费测试额度？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0059.html)
- [停用消息\&短信服务，还会产生费用吗？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0024.html)
 
#### 套餐包相关
- [短信套餐包支持退订吗？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0023.html)
- [短信套餐包剩余资源支持退款吗？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0010.html)
- [能否修改短信套餐包业务类型？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0048.html)
- [如何查看短信套餐包剩余额度？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0049.html)
- [短信套餐包是否支持跨账号使用？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0054.html)
- [短信套餐包是否支持跨区域使用？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0167.html)
- [短信套餐包有效时长是多久？是否支持修改？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0067.html)
- [短信套餐包是否可以续费以及重复购买？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0069.html)
- [短信套餐包是否支持设置额度预警？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0115.html)
- [在华为云购买的短信套餐包能不能在第三方云使用？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0127.html)
- [购买了短信套餐包后，为什么仍按需计费？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0165.html)
 
#### 欠费相关
- [账户欠费是否会导致短信服务资源被释放？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0087.html)
- [欠费后短信业务被停用，怎么重新开通？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0136.html)
 
#### 其他
- [群发助手如何收费？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0195.html)
- [中国广电如何计费？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0178.html)
- [账户内余额为零，也没购买短信套餐包，为何能成功发送短信？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0104.html)
- [发短信时，导致欠费，发送的短信会不会失败？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0072.html)
- [上行短信是否可以按应用区分？是否收费？](https://support.huaweicloud.com/msgsms_faq/sms_faq_0105.html)