Hi,
You can use instructions below to submit request to increase limit from 10 MB to 30 MB. If approved the 30 MB limit should translate to about 22 MB maximum message size before encoding.
Below method is intended for Basic or Developer level support plan. If you have Standard or higher please let me know.
Please carefully follow instructions below to create a new Service and subscription limits (quotas) request to increase quota for Azure Communication Services.
1. Navigate to this link to start the process:
https://portal.azure.com/#view/Microsoft_Azure_Support/HelpAndSupportBlade/~/overview
2. Click Create a support request button at top
3. If you see Support AI Assistant as shown below, click Switch to old experience button on right. If not, proceed to step #4
4. Enter quota in the box and click Go
5. Select Others / Service and subscription limits (quotas) and click Next
6. Click Create a support request button, as shown
7. Select Issue type: Service and subscription limits (quotas), Subscription: <subscription that needs quota increase>, Quota type: Other Requests, click Next
8. On Additional details tab. Enter description for your request. For example, "Please increase email attachment limit to 30 MB for Azure Communication Services as described at below link:
9. Finish filling out Additional details tab, click Next, review and click Create. You should receive an automated email within a few minutes.
Please click Accept Answer and upvote if the above was helpful.
Thanks.
-TP