TSSRegistry: What is a Service Registrar? September 10, 2024 21:19 Updated A Service Registrar is an organization who is certified to text enable Toll-Free Numbers through the TSSRegistry™. Related articles TSSRegistry: What is it going to cost Resp Orgs when their Toll-Free Numbers are text enabled? TSSRegistry: Why is Somos leading the text enabled Toll-Free Numbers effort? TSSRegistry: What is The Text Enablement Override Process For Rejected Requests? TSSRegistry: How Do I Challenge an Expired System Approved Request?