1、首先我们先来看看所在的电信运营商是否支持VoLTE高清语音服务,可以拨打服务电话咨询。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9e3df8dcd100baa12b5ca1624c10b912c9fc2ef3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、下面以中国移动为例。打开短信功能,点击新增加一条短信。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/aec379310a55b319f68b64ac48a98226cefc17fc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、输入的预先咨询或查询到开通VoLTE高清通话的方式,发送短信KTVOLTE到10086。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4610b912c8fcc3ce2fdb2fea9945d688d53f20d4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、反馈短信信息,成功免费开通高清语音服务VoLTE服务。半小时内生效。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9922720e0cf3d7ca18add9aff91fbe096a63a994?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、现在去启用VoLTE高清通话,以小米5手机为例,点击设置。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0df431adcbef7609dd5e7f4625dda3cc7dd99e96?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、在设置中,点击双卡和移动网络。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b03533fa828ba61e7b852ef64a34970a314e5984?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、然后启用VoLTE调用通话。现在就可以体验了VoLTE高清通话功能了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/38dbb6fd5266d016f64e78f19c2bd40734fa3590?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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