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+---- Thread: UK SMS Messages Sent Via International Long Codes Will Be Blocked (/showthread.php?tid=1076)
UK SMS Messages Sent Via International Long Codes Will Be Blocked - whmcsservices - 05-02-2023
You’re receiving this email from Twilio because you’ve sent text messages to the United Kingdom (UK) mobile numbers from an international long code in the last 6 months.
Effective 00:00 GMT, June 1, 2023, network operators in the UK will block SMS messages submitted with International long codes.
UK network operators consider the use of international long codes for Application-To-Person (A2P) SMS as an abuse of Person-To-Person (P2P) routes. SMS messages to the UK must be sent with an Alphanumeric Sender ID, a domestic long code, or a short code.
By 00:00 GMT, June 1, 2023, use one of the following alternatives to replace your international long codes to send A2P messages to the UK:
Alphanumeric Sender IDs: This is a personalized sender ID (like a business or organization name), e.g., “Twilio”. This one-way messaging option provides higher message deliverability, improves brand recognition, and has higher open rates. Alphanumeric Sender IDs have no provisioning time, and you can use them immediately by including them in the “from” parameter of your API request. To learn more, review our Alphanumeric Sender ID for Twilio Programmable SMS guide.
Short code: This is a 5 or 6-digit number that provides a two-way messaging option, ideal for high throughput messaging. Short codes are subject to minimal carrier filtering because carriers vet and approve all short codes for their intended use. They have a 12-16 week provisioning time after you submit documentation. To learn more, please review What is a Messaging Short Code?, Getting a Twilio short code, and Twilio’s UK Shortcode Guidelines.
Domestic long code: This is a two-way messaging option using local UK numbers; these are ideal for low throughput messaging. Domestic long codes have no provisioning time, and you can purchase them from the Twilio Console.
Check which international long codes you’re using to send messages to the UK in Twilio Console. Refer to our How Can I Check If I Am Using International Senders to Send Traffic To A Specific Destination? Guide and follow the steps below:
Log into Twilio Console and select Messaging Insights using the filters “From Country + Does not Equal + United Kingdom” and “To Country + Equals + United Kingdom".
Check the message volume by clicking the tab “Delivery and Errors” and going to “Outgoing Messages by Top 20 Twilio Numbers”. This list will include any international long codes and Alphanumeric Sender IDs you used to send messages.
If you don’t take action, SMS messages sent to the UK with international long codes will be blocked starting at 00:00 GMT, June 1, 2023.
Any question you can email Twilio team.