> ## Documentation Index
> Fetch the complete documentation index at: https://docs.propilotapp.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SMS Attachments

> Send one image or audio attachment per text: record voice notes, upload files, paste images, and stay within MMS limits.

On the **SMS** tab, you can attach one image or audio file per message. Attachments are sent as
MMS through your organization's phone number.

## Attachment options

* **Record voice note** - click the microphone button to record up to 60 seconds, then preview
  it before sending. Click the stop button to finish early.
* **Attach MMS file** - click the paperclip button to upload an image or audio file from your
  computer.
* **Paste an image** - paste a screenshot or copied image directly into the compose box.

Before sending you can **preview** the attachment or **remove** it and pick a different one.

## Supported file types

| Kind   | Formats                                |
| ------ | -------------------------------------- |
| Images | JPEG, PNG, GIF, WebP                   |
| Audio  | MP3, M4A/AAC, OGG, WAV, WebM, AMR, 3GP |

## Limits

* One attachment per SMS.
* 5 MB hard limit per file - larger files are rejected before sending.
* Under 1 MB is recommended; carriers are far more reliable with small files and may compress
  or drop large ones.
* Voice notes can be up to 60 seconds.

<Note>
  For Quo-connected organizations, attachments and voice notes are handled in Quo - ProPilot
  opens a Quo link instead of sending the MMS itself. See [Quo Integration](/integrations/quo).
</Note>

## Common questions

<AccordionGroup>
  <Accordion title="Why did my attachment fail?">
    Check the file size and type. Files over 5 MB are rejected, and only the image and audio
    formats listed above are accepted. If the file sent but never arrived, carrier filtering is
    the usual cause - keep files under 1 MB for the best delivery odds.
  </Accordion>

  <Accordion title="Can I send more than one image in a text?">
    No. SMS supports one attachment per message. To send several images, send several texts.
  </Accordion>

  <Accordion title="Can I send a PDF or video?">
    No. Attachments are limited to images and audio. For documents, use the email channel
    instead - email attachments do not have these MMS restrictions.
  </Accordion>

  <Accordion title="Why does the image look compressed on the agent's phone?">
    Carriers often recompress MMS media. Sending a smaller file (under 1 MB) usually preserves
    more quality than sending a large one that the carrier shrinks aggressively.
  </Accordion>

  <Accordion title="Can I re-record a voice note before sending?">
    Yes. Remove the recorded note with the remove button and record again. Nothing is sent until
    you send the message.
  </Accordion>
</AccordionGroup>