
Messaging Industry Guidance and Technical Standards
A source-linked guide to industry guidance and standards and how this authority layer fits into U.S. A2P messaging programs.
What this authority layer covers
Industry guidance and technical specifications that supplement—but do not replace—law, carrier policy, registry rules, or platform requirements.
Authorities and official sources
Each entry explains what the source says, where its limits are, and what it does not establish.
Industry guidance · Current
CTIA Messaging Principles and Best Practices
Not yet reviewed · No current substantive review date recorded
Existing claims, limitations, assessment and historical verification labels are preserved; their presence is not evidence of a current review.
How this authority relates to messaging
SMS/MMS applicability has not been assessed for this record. Its inclusion identifies an authority for review; it does not establish applicability to your program.
What the source establishes
- CTIA’s Messaging Principles and Best Practices state industry expectations for consent, sender identity, opt-out, HELP, prohibited content, affiliate marketing, and consumer protection across messaging services.
Limits and important context
- Industry best practices and carrier-ecosystem expectations; they do not displace applicable statutes, regulations, carrier requirements, or platform policies.
Official and supporting sources
Source and review details
- Jurisdiction
- U.S. messaging ecosystem
- Source type
- Industry guidance
- Recorded operative status
- Current
Industry guidance · Current
CTIA Messaging Security Best Practices
Not yet reviewed · No current substantive review date recorded
Existing claims, limitations, assessment and historical verification labels are preserved; their presence is not evidence of a current review.
How this authority relates to messaging
SMS/MMS applicability has not been assessed for this record. Its inclusion identifies an authority for review; it does not establish applicability to your program.
What the source establishes
- CTIA Messaging Security Best Practices address ecosystem-abuse, spam, phishing, authentication, and unwanted-messaging controls across SMS, MMS, and RCS.
Limits and important context
- Security guidance supplements, but does not replace, legal consent requirements, carrier rules, or incident-response duties.
Official and supporting sources
Source and review details
- Jurisdiction
- U.S. messaging ecosystem
- Source type
- Industry guidance
- Recorded operative status
- Current
Technical standard · Current
GSMA Universal Profile / RCS specifications
Not yet reviewed · No current substantive review date recorded
Existing claims, limitations, assessment and historical verification labels are preserved; their presence is not evidence of a current review.
How this authority relates to messaging
SMS/MMS applicability has not been assessed for this record. Its inclusion identifies an authority for review; it does not establish applicability to your program.
What the source establishes
- The GSMA Universal Profile defines the industry technical framework for RCS and RCS Business Messaging, including privacy, spam protection, consent and welcome-message handling, and MaaP behavior.
Limits and important context
- Version 3.1 is the current specification identified by the reconciled verification; carrier and platform implementations may add requirements.
Official and supporting sources
Source and review details
- Jurisdiction
- Channel or platform
- Source type
- Technical standard
- Recorded operative status
- Current
Industry guidance · Legacy reference
MMA U.S. Consumer Best Practices for Messaging
Not yet reviewed · No current substantive review date recorded
Existing claims, limitations, assessment and historical verification labels are preserved; their presence is not evidence of a current review.
How this authority relates to messaging
SMS/MMS applicability has not been assessed for this record. Its inclusion identifies an authority for review; it does not establish applicability to your program.
What the source establishes
- MMA U.S. Consumer Best Practices v7 describes legacy industry practices for opt-in flows, confirmation messages, pricing and terms disclosures, and short-code program structure.
Limits and important context
- The document is legacy guidance and should not be treated as the current controlling carrier, registry, platform, or legal standard.
Official and supporting sources
Source and review details
- Jurisdiction
- U.S. messaging ecosystem
- Source type
- Industry guidance
- Recorded operative status
- Legacy reference
Continue with the most useful next step
Move from a jurisdiction or authority layer to the sources and tools most likely to answer the next question.
Get a program-specific review
Use an advisory review when the result depends on facts that a public authority index cannot resolve.
