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In light of the recent changes to the requirements for sending messages to Singapore, we have compiled some key points into a Frequently Asked Questions section.

All sender IDs must be registered to send SMS messages. Any unregistered sender IDs will result in those messages being blocked.

International Support for Alphanumeric Sender ID The table below provides the latest information on Alphanumeric sender ID support (also known as "alpha tags"). In the "Alpha Tag [...]

Bangladesh | Sending Requirements From August 1, 2023, messages sent to Axiata Robi Bangladesh must be sent only from registered sender IDs. Following this date, messages sent [...]

UK carriers take “smishing” (phishing via SMS) very seriously. Customers sending SMS messages after July 3, 2023, from sender IDs that don’t conform to the above requirements may incur liquidated damage charges of up to £5,000.

Several carriers in Sri Lanka only allow Alphanumeric preregistered sender IDs. All long codes or similar will be blocked. Messages sent from unregistered sender IDs will still attempt to be sent but will likely get blocked.

How to use SMS A2P Marketing? What is SMS A2P? SMS A2P is one of many media options we can use to improve business marketing strategy. SMS [...]

Singapore | Sending Requirements From 30 January 2023, messages sent to Singapore numbers using unregistered sender identification (Sender ID), including long and short codes, may be blocked. [...]