With Multimedia Messaging Service (MMS) functionality, our aim is to make sales communication even more impactful and engaging for you.
MMS allows sales professionals to seamlessly incorporate images, documents, and other multimedia elements into interactions with leads and contacts. Imagine being able to send a quick snapshot of a product or a PDF brochure directly within your messages – it adds a whole new level of effectiveness to your sales conversations.
In today's sales world, where visual communication is key, not being able to send MMS messages can really limit the impact of your interactions. With multimedia content at your fingertips, you'll be able to boost engagement, convey information more effectively, and ultimately create a more compelling sales process.
🎥 Watch a brief video walkthrough of this feature.
Limitations for international numbers
Currently, the capability to send MMS files is available exclusively to RingDNA users who have selected US 🇺🇸 or Canadian 🇨🇦 numbers as their outbound number. Users with international (non-US/CA) numbers are not able to send MMS files to recipients in other countries. MMS files sent from numbers in countries other than the US or Canada will not be delivered to the recipient.
When MMS files are sent from US 🇺🇸 or Canadian 🇨🇦 numbers to international recipients, these recipients will be provided with a URL to access the MMS file. It's important to understand that, in some instances, the sender ID displayed to the recipient of an MMS message may be different from the sender's assigned number. This discrepancy arises from the need to comply with international messaging regulations and carrier practices. For detailed information on this subject, please consult the article Understanding Sender ID Changes for International Messaging for details.
How to use MMS
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To get started, navigate to an existing message thread or initiate a new message. |
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In message threads, a ➕ icon is visible to the left of the text input fields. Click this button to get started. |
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In message threads, a new ➕ icon is visible to the left of the text input fields. Click this button to reveal two options:
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To send a file, navigate to an existing message thread or initiate a new message. Then click the ➕ button and select the "Send File/Media" option. |
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After clicking the "Send File/Media" option, a native file-picker window will open. Navigate to the folder containing the file(s) that you want to send. |
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Select the file (or files) you want to send. You may select up to three files at a time. Click "Open" on the file-picker window to attach the selected file(s). |
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After clicking "Open" on the native file picker, the window closes and the selected file(s) are displayed with a loading animation while the file is attached. |
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Once the file is uploaded, the loading animation disappears and the attached file(s) are displayed. Non-image files (such as .PDF or .mp3) appear as "cards" where an icon, filename and file size are all visible in the card. Image files (such as .jpg or .png) appear as preview images. Users can optionally click an x icon to remove the attached file. |
Non-image file attached: Image file attached: |
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There is a 5mb file size limitation on files. After attempting to upload a file that exceeds this limit, an error message appears and the file cannot be sent. |
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After the user clicks "Send", the file is sent and appears in the message thread. |
Non-image file sent: Image file sent: |
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When mousing over a sent (or received) file/image, a "Download File" overlay appears. Click on this to initiate a download to your default downloads folder. |
Non-image file download: Image file download: |
Frequently Asked Questions
| Q: "What file types are supported?" | A: There are 17 file types supported in 4 different categories (Image, Video, Audio, Text). Examples include .png, .pdf and .mp3 files. See below section for full details. |
| Q: "What is the maximum file size I can send?" |
A: There is a file size limit of 5mb per file* Please note that there are carrier-imposed file-size limitations for file types other than jpeg, png and gif. Those limits are detailed in the table below. |
| Q: "How can I reduce the size of a file to send it via MMS?" | A: You can reduce the file size by compressing images or videos before sending them. There are various apps and tools available for this purpose. |
| Q: "How many files can I attach and send at the same time?" | A: You can attach and send up to 3 files at the same time. |
| Q: "Will MMS work when using RingDNA from my mobile browser?" | A: Yes, sending files via MMS is supported on mobile device browsers. |
| Q: "Does Revenue’s Data Deletion Policy cover the deletion of files sent via MMS?" | A: Yes. |
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Q: "Is MMS supported internationally?" |
A: Partially. MMS is supported for RingDNA users with US or Canadian outbound smart numbers. |
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Q: "What happens if I try to send an MMS file from an outbound number that isn't US or Canadian?" |
A: The file will not be delivered to the recipient. |
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Q: "What happens if I send an MMS file from a US or Canadian RingDNA number to an international number?" |
A: The recipient with the international number will receive a URL to access the file. |
MMS Message Size Limitations (for non-image messages)
Per our telephony partner, Twilio:
For file types other than jpeg, png and gif, the total file size limit for MediaUrl attachments depends on the receiving carrier. Here are the attachment size limitations for MMS sent from either long code or short code numbers to the top 4 US-based carriers:
| Carrier | Long code MMS attachment size | Toll-Free MMS attachment size | Short code MMS attachment size |
| AT&T* | 1.0 MB | 0.6 MB | 0.6 MB |
| Sprint | 1.5 MB | 0.6 MB | 1.0 MB |
| T-mobile | 1.5 MB | 0.6 MB | 1.0 MB |
| Verizon | 1.0 MB | 0.6 MB | 1.2 MB |
*We recommend 600KB when sending over AT&T from Long Code to avoid the potential of file resize failures occurring at the carrier partner's network.
Supported MMS File Types
| Category | File Extension |
| Image | .png |
| .jpg | |
| .jpeg | |
| .bmp | |
| .tiff | |
| .tif | |
| Video | .gif |
| .mov | |
| .mp4 | |
| .3gp | |
| Audio | .mp3 |
| .wav | |
| Text | |
| .vcf | |
| .vcard | |
| .csv | |
| .rtf |