MMS (Multimedia Messaging Service) is an extension of SMS that allows sending multimedia content including images, videos, GIFs, and audio files in text messages.
MMS vs SMS
| Feature | SMS | MMS |
|---------|-----|-----|
| Content | Text only | Text + media |
| Character limit | 160 (or 1,600 concatenated) | 1,600+ characters |
| File types | None | Images, video, audio, GIF |
| File size | N/A | Up to 500KB-5MB |
| Cost | Lower | Higher |
| Delivery rate | 99%+ | 95%+ |
MMS Benefits for Marketing
Higher engagement: Images increase engagement 300%
More content: Include product photos, coupons
Brand expression: Rich media shows personality
Longer text: More space for your message
MMS Technical Specs
Supported formats: JPG, PNG, GIF, MP4
Max file size: Varies by carrier (typically 300KB-1MB)
Character limit: Up to 1,600 characters with media
Delivery: May require data/WiFi on recipient device
Best Practices
Optimize image file sizes
Use standard formats (JPG/PNG)
Include alt text for accessibility
Test across carriers before sending
Keep videos under 30 seconds