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Knowledge Base Articles
10DLC
(52 Articles)
10DLC Compliance Requirements and Guidance
What is The Campaign Registry (TCR)?
10DLC Campaign Rejection Codes
Sinch A2P 10DLC Carrier Reach List
What is Snowshoeing?
Toll-Free Numbers (TFN)
(48 Articles)
What is a TFN (Toll-Free Number)?
TFN Verification Compliance Guidance
Why was my Toll-Free Verification rejected and can I resubmit?
What opt-in documentation is required for Toll-Free sender verification?
Toll-Free Verified Sender Form
Virtual Numbers
(33 Articles)
Buying a number from Sinch
Supporting documentation for virtual numbers
Hosted Messaging for US and Canada Numbers
How can I activate my free number for testing?
Sinch Letter of Authorization for Toll-Free Number Porting (US)
US Short Codes
(13 Articles)
US Short Code Campaign Compliance Overview
US Short Code Brand Client and Content Provider Details
Sinch US Short Code Onboarding Overview
CTIA Short Code Monitoring Handbook
Sinch Short Code Carrier Reach List - North America