> For the complete documentation index, see [llms.txt](https://eventx-hq.gitbook.io/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eventx-hq.gitbook.io/knowledge-base/outreach-channel/sms.md).

# SMS

Send SMS campaigns to attendees for invitations, confirmations, and reminders.

## Getting Started

* [**How to Broadcast an SMS Campaign**](/knowledge-base/outreach-channel/sms/broadcast-sms.md) — Send SMS to all or selected attendees with templates and merge tags.
* [**How to Send Invitation, Confirmation & Reminder via SMS**](/knowledge-base/outreach-channel/sms/send-invitation-confirmation-reminder-via-sms.md) — Configure automated SMS for key registration events.

## Limitations & Reference

* [**SMS Character Limits**](/knowledge-base/outreach-channel/sms/sms-character-limit.md) — Character count limits and how they affect message delivery.
* [**SMS Limitations by Country**](/knowledge-base/outreach-channel/sms/sms-limitation-in-different-countries.md) — Country-specific SMS restrictions and requirements.
* [**SMS Past Content Reference**](/knowledge-base/outreach-channel/sms/sms-past-content-7225.md) — Historical SMS content documentation.

## Common Questions

* **How many characters can an SMS have?** — See [SMS Character Limits](/knowledge-base/outreach-channel/sms/sms-character-limit.md). Messages exceeding the limit may be split into multiple SMS segments.
* **Are there country-specific SMS restrictions?** — Yes. See [SMS Limitations by Country](/knowledge-base/outreach-channel/sms/sms-limitation-in-different-countries.md).