> For the complete documentation index, see [llms.txt](https://docs.limecall.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.limecall.com/troubleshooting/troubleshooting-for-admins/unable-to-send-receive-sms.md).

# Unable to send/receive SMS

Here are the main issues that may cause you not to receive / send sms and how to resolve the issue.

1. **Your LimeCall Number has SMS capability** 
2. **Whitelisted Countries**
3. **Does the recipients number have SMS capabilities**

Let's review each:

1. **Your LimeCall Number has SMS capability** 

To check this, go to [Numbers](https://platform.limecall.com/numbers)

<figure><img src="/files/A53ejlhUSw4MQvT3A9OX" alt=""><figcaption></figcaption></figure>

Identify the number in question. It's SMS and MMS capabilities will be displayed.

2. **Has the country you are attempting to SMS been 'Whitelisted'?**

Most major countries will automatically be whitelisted:

Here is a list of those countries:

* United States US (+1)&#x20;
* United Kingdom GB (+44)&#x20;
* Thailand TH (+66)&#x20;
* Singapore SG (+65)&#x20;
* Poland PL (+48)&#x20;
* Philippines PH (+63)&#x20;
* Netherlands NL (+31)&#x20;
* India IN (+91)&#x20;
* Hong Kong HK (+852)&#x20;
* Germany DE (+49)&#x20;
* France FR (+33)&#x20;
* Finland FI (+358)&#x20;
* Egypt EG (+20)&#x20;
* Canada CA (+1)&#x20;
* Austria AT (+43)&#x20;
* Australia AU (+61)

If you require additional countries to be whitelisted, please contact our team  at <support@limecall.com> where will will advise and support.

**Important Note**

Free trial users are can access to USA/UK trial numbers.

To access numbers for our 46+ countries upgrade to a paid plan.&#x20;

We also provide custom plans for any country that is not on the list.&#x20;

Please contact us regarding your trial for any specific country that can be enabled after a verification.

3. **Does the recipients number have SMS capabilities?**

SMS will not be delivered successfully to those numbers without SMS capabilities.

**Additional checks**

You can test for errors by sending SMS from:

* [Platform](https://platform.limecall.com/home)
* [Dialer](https://dialer.limecall.com/)
* [Android App](https://play.google.com/store/apps/details?id=com.limecall\&hl=en\&gl=US\&pli=1)

If the issue is not resolved, please contact our Support Team via Live Chat or <support@limecall.com>

Watch our each step of our Quick Tutorial [HERE](https://www.youtube.com/@limecallgettingstarted)