feat: sms support region

Author: alick-liming

en/on-call/quickstart/faq.mdx

@@ -206,6 +206,24 @@ description: "Learn about the most common questions when using Flashduty On-call
     </Tabs>
   </Accordion>
 
+  <Accordion title="What regions does Flashduty On-call SMS notification support?">
+    SMS notifications support almost all regions globally. Currently available regions include:
+
+    <CardGroup cols={4}>
+      <Card title="🇨🇳 China" icon="message" />
+      <Card title="🇮🇩 Indonesia" icon="message" />
+      <Card title="🇮🇳 India" icon="message" />
+      <Card title="🇯🇵 Japan" icon="message" />
+      <Card title="🇲🇽 Mexico" icon="message" />
+      <Card title="🇲🇾 Malaysia" icon="message" />
+      <Card title="🇸🇬 Singapore" icon="message" />
+    </CardGroup>
+
+    <Note>
+    If you cannot receive SMS notifications in your region, please contact us: [support@flashcat.cloud](mailto:support@flashcat.cloud)
+    </Note>
+  </Accordion>
+
   <Accordion title="Why can't I receive voice notifications?">
    Voice calls are highly dependent on terminal signal and settings. If you persistently cannot receive voice notifications, try the following:
 

zh/on-call/quickstart/faq.mdx

@@ -207,6 +207,24 @@ keywords: ["常见问题", "FAQ", "On-call", "故障排查", "使用帮助"]
     </Tabs>
   </Accordion>
 
+  <Accordion title="Flashduty On-call 短信通知支持哪些地区？">
+    短信通知支持全球几乎大部分的地区。目前开放的地区：
+
+    <CardGroup cols={4}>
+      <Card title="🇨🇳 中国" icon="message" />
+      <Card title="🇮🇩 印度尼西亚" icon="message" />
+      <Card title="🇮🇳 印度" icon="message" />
+      <Card title="🇯🇵 日本" icon="message" />
+      <Card title="🇲🇽 墨西哥" icon="message" />
+      <Card title="🇲🇾 马来西亚" icon="message" />
+      <Card title="🇸🇬 新加坡" icon="message" />
+    </CardGroup>
+
+    <Note>
+    如果您所在地区无法收到短信通知，请联系我们：[support@flashcat.cloud](mailto:support@flashcat.cloud)
+    </Note>
+  </Accordion>
+
   <Accordion title="为什么我无法收到语音通知？">
    语音电话与终端信号以及设置有很大关系，如果您持续无法收到语音通知，建议尝试下述操作：