TSSRegistry: How do I register to become a certified Service Registrar? March 27, 2026 12:11 Updated Click here to get started or email the TSSRegistry™ team at texting@somos.com. Related articles TFNRegistry UI: How do I Use the Acting As Feature for the MNC Page? TSSRegistry: How does the TSSRegistry work? TFNRegistry UI: What are the Number Admin Statuses and their Transitions? TFNRegistry UI: What are the General Parameters Fields, their Descriptions and Valid Values for the SPH Page? TFNRegistry UI: What are the Fields, their Descriptions and Valid Values for the GAN Page?