SMS limitation in different countries

SMS limitation in different countries

EventX utilizes Twilio as its SMS gateway service to send bulk SMS messages to various countries. However, there are several country-specific regulations regarding SMS compliance that impose certain restrictions.

 

Some of the examples are:

Country Limitation
Taiwan URLs (especially shortened URLs) is strictly prohibited in Taiwan.
Singapore From 30 January 2023, all non-registered Sender IDs will be overwritten with Alphanumeric Sender ID ‘Likely-SCAM’. From 31 July 2023 all non-registered Sender IDs will be blocked.
UK SMS messages sent with non-compliant sender types to U.K. mobile operators BT and Sky will be blocked.
Malaysia Effective July 2, 2023, any SMS message that contains unregistered URLs and phone numbers will be blocked. You must register all full-length URLs and phone numbers that will be used within the body of an SMS message to Malaysia by this date. Shortened URLs will not be allowed for registration.

 

For specifics, see Twilio's official SMS guidelines. 

https://www.twilio.com/en-us/guidelines

 

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