Domestic vs International
Requirements differ by who is sending. Pick the scope that matches your business.
Sender ID registration is required for United Kingdom. The current requirements are shown below as provided by the SMSala Sender ID team.
Sender capabilities
Registration requirements
Restrictions
Sending rules
Operator regulations
4 networks carry SMS traffic in United Kingdom. MNP is live in most markets — run an HLR lookup before routing.
Additional compliance notes
Country & operator-specific guidance maintained by the Sender ID team.
Requirements
Sender Id, Company Name, Company Origin Country, Website, Company's Scope of Activity, Traffic Type, Sample Content, Estimated Traffic Volume In addition to that, for SenderIDs that are protected by MEF, it is necessary to provide a basic LOA (chain LOA is supported) and a screenshot of the SID registration confirmation from the MEF Registry. Both OTP and marketing traffic need preapproval. URL shorteners can not be whitelisted.
Required documents
Letter of Authorization,
Need help registering your Sender ID?
Our compliance specialists assist with registration requirements, document review, operator approvals, and both domestic and international onboarding.