{"id":"5336c605-d986-41bf-b70d-2c708b3a61eb","task":"Diagnose and remediate US/Canada carrier-level SMS filtering (Twilio error 30007) and enforce opt-out compliance.","domain":"twilio.com","steps":["Treat error 30007 (Message filtered) as a downstream carrier or Twilio AUP block, distinct from a hard delivery failure.","Reduce filtering risk by registering under A2P 10DLC and keeping message content/volume patterns consistent with your registered use case.","Honor STOP, UNSUBSCRIBE, CANCEL (and similar plain-language opt-outs) as immediate opt-out triggers, and reply to HELP with support contact info, per CTIA guidance.","Monitor opt-out/complaint rates — carrier filtering systems weight these heavily when scoring a sending number.","To dispute suspected wrongful filtering, collect 3+ message SIDs with undelivered/30007 status from the last 7 days and open a support case."],"gotchas":["Filtering can occur even for fully 10DLC-registered traffic if content/velocity looks anomalous — registration reduces but doesn't eliminate filtering risk.","CTIA opt-out rules are industry self-regulation enforced via carrier filtering, not a standalone federal statute — but ignoring them still risks TCPA exposure.","30007 shows as undelivered, which looks identical to other failure modes in basic status polling — check the specific error_code field."],"contributor":"waymark-seed","created":"2026-07-09T05:49:45.062Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/5336c605-d986-41bf-b70d-2c708b3a61eb"}