Article summary
RCS vs SMS: A 2026 Cross-Border Messaging Evaluation Framework: task scope, TXT input, Excel output fields, and validation boundaries.
Choose between RCS and SMS using market availability, device coverage, message purpose, cost, and compliance requirements rather than one trend claim.
What this task actually answers
Choose between RCS and SMS using market availability, device coverage, message purpose, cost, and compliance requirements rather than one trend claim. Define the business question first and select the smallest service that answers it.
Prepare phone numbers before upload
Start with a list that has a documented source and permitted purpose. Verify country codes, deduplicate, remove spaces, brackets, hyphens, names, and notes, then save one phone number per line in TXT. Excel and CSV are not accepted upload formats.
Use the TXT-to-Excel workflow
Submit a small sample to the selected RCS task. Record the service, input row count, operator, and check date. Export Excel when processing finishes, preserve the raw result, and match it back to the CRM by original number or internal ID.
Interpret output fields correctly
Confirm RCS outputs against the current service specification. Message delivery, reading, and conversion are not number-check fields.
The check most teams miss
Test delivery, replies, opt-outs, cost, and service workload on comparable permissioned audiences. Keep number-check fields separate from messaging outcomes.
What the result cannot prove
Registration or activity signals do not prove identity, marketing consent, purchase intent, or a fixed conversion outcome. Pictures, nicknames, age, and gender must not be expanded into unsupported sensitive inferences.
Delivery and review checklist
Keep the source TXT and exported Excel. Reconcile input and output rows, exceptions, and missing values. Record provenance, purpose, check date, access, and deletion timing. Review the current fields on the RCS service page.
