{"id":17240,"date":"2026-09-25T11:22:55","date_gmt":"2026-09-25T05:52:55","guid":{"rendered":"https:\/\/www.fast2sms.com\/help\/registered-tmd-sms-provider\/"},"modified":"2026-09-26T11:15:13","modified_gmt":"2026-09-26T05:45:13","slug":"registered-tmd-sms-provider","status":"publish","type":"post","link":"https:\/\/www.fast2sms.com\/help\/registered-tmd-sms-provider\/","title":{"rendered":"Is Your SMS Provider a Registered TM-D? How to Verify TMD Compliance"},"content":{"rendered":"

One question now decides whether your business SMS delivers at all: is your SMS provider a registered TM-D (Telemarketer-Delivery) with direct operator connectivity?<\/strong> Under the TRAI PE-TM Binding Framework, operators validate every message against the approved chain ending in an authorized TM-D, and traffic through anyone else gets blocked. Thousands of “SMS gateways” in India are actually resellers and aggregators riding someone else’s route. Here is how to verify any vendor in ten minutes, the questions that expose a non-compliant one, and what a genuinely direct provider looks like.<\/p>\n

Signup Now<\/a>Schedule Free Meeting<\/a><\/p>\n

TM-A vs TM-D: the difference that decides delivery<\/h2>\n
\n\n\n\n\n\n\n\n
 <\/th>\nTM-A (Aggregator)<\/th>\nTM-D (Delivery)<\/th>\n<\/tr>\n<\/thead>\n
Operator connection<\/td>\nNone: hands traffic to another TM<\/td>\nDirect connectivity to telecom operators<\/strong><\/td>\n<\/tr>\n
Role under the new framework<\/td>\nExtra hop that must be declared in the chain<\/td>\nThe authorized endpoint every chain must terminate at<\/td>\n<\/tr>\n
Risk to your traffic<\/td>\nHigh: any upstream route change breaks the chain match<\/td>\nLow: the submitter and the declared TM-D are the same company<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Nothing forbids aggregators, but every hop must be perfectly declared and approved, and in practice the hops are exactly where mismatches, and now blocks, come from. The clean architecture is PE \u2192 TM-D, one binding, zero intermediaries.<\/p>\n

Verify any SMS vendor in 10 minutes<\/h2>\n
    \n
  1. Ask for their TMD ID in writing.<\/strong> A registered delivery telemarketer states it instantly, the way Fast2SMS does: TMD Name SID GROUPS PRIVATE LIMITED<\/strong>, TMD ID 1702178720558766591<\/strong>. Evasion (“we work with all operators”, “our partner handles that”) means aggregator.<\/li>\n
  2. Search the ID on your DLT portal.<\/strong> Log in to any operator DLT (Jio TrueConnect, Airtel, Vi, BSNL, Tata, Smartping), open the telemarketer \/ PE-TM chain section and search the TMD ID. A registered TM-D appears with an Active status; the add-telemarketer guides<\/a> show exactly where.<\/li>\n
  3. Check your own chain.<\/strong> Your approved PE-TM chain must name that same TM-D and show Active\/Approved. A vendor whose TMD ID differs from the TM-D in your chain is routing you somewhere undeclared.<\/li>\n
  4. Watch for the warning signs.<\/strong> If “PE-TM Chain mismatch detected” SMS or TrueConnect emails are arriving, the network has already flagged the route: decode the warning here<\/a>.<\/li>\n<\/ol>\n

    Five questions that expose a non-compliant vendor<\/h2>\n