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The Sinch MMS MT platform will accept the following MIME types (file types):

 

MMS MT Accepted MIME Types Default File Extension
text/calendar ical
text/html html
text/plain txt
text/v-card vcf
text/vcard vcf
text/x-vcard vcf
text/xml xml
image/gif gif
image/jpeg jpeg
image/jpg jpg
image/png png
audio/3gpp 3gp
audio/3gpp2 3g2
audio/amr amr
audio/evrc 3g2
audio/mp3 mp3
audio/mp4 mp4
audio/mpeg mp3
audio/ogg ogg
audio/qcelp qcp
audio/vnd.qcelp qcp
audio/wav wav
audio/wave wav
audio/x-ms-wma wma
audio/x-wav wav
video/3gpp 3gp
video/3gpp2 3g2
video/mp4 mp4
video/ogg ogg
video/x-flx flv
video/x-ms-asf asx
video/x-ms-wmv wmv
video/x-sgi-movie movie
video/quicktime mov
multipart/related txt
application/ogg ogg
application/pdf pdf**
application/smil smil
application/vnd ms-outlook msg
application/xml xml

 

**Please note that PDF is not supported on Toll-Free senders

 

The following MIME types are not supported for transcoding (file types):

 

MMS MT Accepted MIME Types

Default File Extension

image/tiff

tiff

image/tif

tif

audio/amr

amr

 

Here is the list of formats that are currently accepted by the MM7 API Transcoder to perform transcoding.

IMPORTANT: If the format is not listed below that means it still gets accepted on the API, but shall not be transcoded. In which case, it may get delivered to the carrier or may not depending on the size of the content.

 

Mime Types

Notes

image/jpg

Images get resized to their respective content type

 

image/jpeg

image/gif

image/png

video/mp4

Video files always get transcoded to .mp4

 

 

 

 

 

 

video/mpeg

video/x-msvideo

video/3gpp

video/x-ms-wmv

video/quicktime

video/x-ms-asf

audio/mp3

Audio files always get transcoded to .mp3

audio/mpeg

audio/x-wav

audio/wav

 

Visit the Sinch MMS product page to learn more about our MMS product.

Version history
Last update:
‎02-21-2024 01:53 PM
Updated by: