{
  "id": "MSG-015",
  "slug": "msg-015",
  "title": "A message must not render as ten or more segments",
  "statement": "No sample message may be long enough to render as 10 or more SMS segments.",
  "rationale": "Every segment is billed and delivered separately, and long concatenated messages are reassembled unreliably across carriers — so a ten-segment message costs ten times as much and is the most likely thing in your programme to arrive broken. Reviewers read extreme length as a sender who does not understand the channel.",
  "layer": "MESSAGE_CONTENT",
  "layerSlug": "message-content",
  "object": "campaign.sample[]",
  "severity": "MEDIUM",
  "detectability": [
    "DETERMINISTIC"
  ],
  "failureClass": "RETRY_FIELD",
  "authorities": [
    "CTIA",
    "TCR",
    "Twilio"
  ],
  "applicabilityText": "Applies to every 10DLC registration.",
  "universal": true,
  "remediation": "Shorten the message and move detail behind a link on your own domain. Aim for one or two segments — 160 GSM characters per segment, or 70 if the message contains any non-GSM character.",
  "example": "Acme Coffee: your order is ready. Details: https://acmecoffee.com/o/4471 Reply STOP to opt out.",
  "phase": "approval",
  "automated": true,
  "url": "https://ekas.io/rules/10dlc/message-content/msg-015/",
  "markdown": "https://ekas.io/rules/10dlc/message-content/msg-015.md",
  "registry": "https://ekas.io/rules/10dlc/",
  "updated": "2026-07-25",
  "licence": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/"
}