> For the complete documentation index, see [llms.txt](https://documentation.crossengage.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.crossengage.io/data-and-engagement-platform/messages/integrations/channels/sms/link-mobility/set-up-link-mobility-integration.md).

# Set up Link Mobility Integration

**Necessary credentials**

To set up this integration, you’ll require a System ID and Password for LinkMobility SMPP – please contact your LinkMobility account manager for SMPP credentials.

### **Configure LinkMobility integration in CrossEngage**

* In the CrossEngage app, navigate to Settings > Integrations
* Click the “Add new integration” button in the top right corner of the page.

<figure><img src="/files/zfWLFaM1kVBGbSAJoguR" alt=""><figcaption></figcaption></figure>

* Search for Link Mobility and click Set Up.

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

* Give the integration a descriptive name.
* Enter the SMPP System ID and Password provided to you by your LinkMobility account manager. This is **not** the same as your REST API Login/Password.

<figure><img src="/files/Da1td39KQ3VpgpbD5b92" alt=""><figcaption></figcaption></figure>

* Choose the attribute that stores your users' phone numbers.

<figure><img src="/files/ZCxsmuRrxJ7598a67Dnz" alt=""><figcaption></figcaption></figure>

* Click “Apply”.

{% hint style="info" %}
The **traits.phone** user attribute is a default string type attribute created by CrossEngage. If you haven’t created your own custom user attribute to store phone numbers, the default attribute “traits.phone” can be used.&#x20;
{% endhint %}