smyx

Support mobile phone number registration / login, SMS notification.
支持手机号注册/登录，重要事件短信通知等。<a href="https://wptao.com/wptao-sms.html" rel="nofollow ugc">进入官网</a>
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目前支持阿里云和腾讯云短信服务。
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手机注册/登录/绑定只需要开启功能，在服务商申请短信模版即可使用，其中后台【手机用户】页面可以查看所有注册的手机号。
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短信通知使用灵活的自定义功能，支持添加多个（不上限）短信模版，可以兼容任意场景的短信通知，允许多种不同场景同时使用，只需把插件提示的一句函数加到您需要处理的代码后面即可。
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兼容 WooCommerce 和 Easy Digital Downloads 插件，支持订单已完成或者已退款时短信通知买家，直接开启功能即可。<a href="https://img.wptao.com/large/62579065gy1fpwh4gxajwj20u90lomyu.jpg" rel="nofollow ugc">查看</a>
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手机号注册兼容 BuddyPress、Ultimate Member 等注册页面，后续会根据需求兼容更多的插件。
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WPMU可以全局配置短信服务。
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暂时没加图形验证码，我们采用了签名算法来防御恶意操作，后期会根据实际反馈完善更加安全的验证机制。
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验证码和短信通知可以设置不同的服务商（阿里云、腾讯云）。
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点击<a href="https://wptao.com/wptao-sms.html" rel="nofollow ugc">这里体验一下</a> （老用户建议用账号密码登录后在个人资料页面绑定手机号，4月6日0点前绑定手机号的用户将送一张满199元减20元的优惠券！）
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WordPress短信服务(SMS)

支持手机号注册/登录，重要事件短信通知等。

incredibledeveloperr

The plugin primarily allows a WordPress developer to extend its settings and functionality and integrate it into any type of site. For example, it can easily be extended to send a text message on virtually any WordPress action.
The plugin also includes functionality to directly send a text message to any permissible number from the plugin settings page. You can use it to SMS any of your users or just for testing purposes
Here’s a list of feature plugin provides :
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<li>Functionality to directly send a text message to any permissible number from frontend</li>
<li>Setting page which allow admin to manage Auth Token and some basic settings</li>
<li>Text message generalized which pre set by admin</li>
<li>Send a shorten URL like send promotion link</li>
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Shortcode : 
Paste shortcode where you want to display – [msg91_add_shortcodes]
Disclaimer: This plugin is not affiliated with or supported by MSG91, Inc. All logos and trademarks are the property of their respective owners.

msg91 by vasim shaikh

If you’ve ever wanted to add text messaging functionality to your website or app, Twilio is one of the best solutions on the market.

WordPress短信服务(SMS) vs msg91 by vasim shaikh