Domestic vs International
Requirements differ by who is sending. Pick the scope that matches your business.
Sender ID registration is required for Hong Kong. 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 Hong Kong. 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
Banking/Insurance related?,Company name,Company website,Estimated monthly volume,Industry,Message Example
Required documents
Business License,Hong Kong - Letter of Authorization,Hong Kong - Letter of Authorization for Sender with prefix #
Need help registering your Sender ID?
Our compliance specialists assist with registration requirements, document review, operator approvals, and both domestic and international onboarding.