TRAI’s 2026 spam rules could reshape retailers’ promotional calling

The rules require coordinated action when five or more lines from one sender are flagged within a rolling 10-day period. Retailers using promotional calls may also face A2P charges of up to ₹0.05 per minute; provisions phase in after gazette publication.

— Source publishedTue, 29 Sept, 2026, 16:54 IST·First seen Tue, 29 Sept, 2026, 17:00 IST·Source Mint · Industry

The development

TRAI issued 2026 rules requiring coordinated enforcement when five or more phone lines from one sender are flagged within a rolling 10-day period. The measures may affect retailers’ promotional outreach through BLOCK PROMO controls and A2P charges of up to ₹0.05 per minute.

The numbers

  • 2026
  • two hours
  • one business day
  • 24-hour
  • preceding 10 days
  • five or more phone lines
  • rolling 10-day period
  • at least 15 days
  • one full year
  • 1600
  • 1909
  • within 15 days
  • five paisa ( ₹0.05) per minute
  • one month
  • 60 days
  • 90 days

Why it matters to operators and investors

Factor calling-consent controls, flagged-line exposure and potential A2P charges into diligence on retail businesses and customer-engagement partnerships.

What to watch next

  • Gazette publication and the resulting effective dates for each provision.
  • TRAI or telecom-operator guidance on what counts as a sender, a flagged line, and coordinated action.
  • Actual A2P rates charged to promotional traffic and whether operators apply the stated maximum.
  • Early enforcement actions, complaint trends, or campaign interruptions involving retail senders.
  • Changes in call pickup, conversion, and customer acquisition costs as retailers reduce or retarget outbound calls.
  • Map promotional calls by sender, line, vendor, campaign, and customer-consent record; identify how the five-line flag threshold could affect current operations.
  • Model campaign economics at several charge levels up to ₹0.05 per minute, including call duration, conversion, and complaint-related disruption.
  • Strengthen consent capture, opt-out suppression, complaint monitoring, and escalation procedures before scaling call volume.
  • Ask telecom and campaign vendors to document their compliance controls and clarify responsibility for flagged lines.
  • Test app, messaging, and other permitted channels as alternatives, comparing reach and conversion rather than shifting all calls at once.

The counter-case

The rules may have limited direct impact on retailers: the five-line trigger appears to require coordinated action by telecom providers, not automatically impose penalties on a retailer, and the cited A2P charge may apply only to particular traffic or routes. Retailers with consent-based, registered campaigns could see little change; the headline may overstate the effect on promotional calling.