Overview
US carriers require registration or verification for A2P (Application-to-Person) messaging:| Number Type | Registration | Throughput | Best For |
|---|---|---|---|
| 10DLC | Brand + Campaign | 3.75-15+ MPS | General A2P |
| Toll-Free | Verification | 25 MPS | High volume, 2FA |
| Short Code | Application | 100+ MPS | Marketing, alerts |
10DLC Registration
10DLC (10-Digit Long Code) is the standard for A2P messaging on local US numbers.Registration Process
- Register Brand - Company information with TCR (The Campaign Registry)
- Register Campaign - Use case and sample messages
- Link Numbers - Associate phone numbers with campaign
Brand Registration
Required Information
| Field | Description |
|---|---|
| Legal business name | Official registered name |
| EIN | Employer Identification Number |
| Business address | Physical address |
| Website | Business website URL |
| Vertical | Industry category |
Authentication+ (Required for Public Brands)
Effective October 2024, public for-profit brands must complete Authentication+ verification through TCR.Brand Registration Outcomes
| Status | Meaning | Action |
|---|---|---|
| Approved | Ready for campaign registration | Proceed |
| Failed | Issues with submitted info | Review feedback, resubmit |
Campaign Registration
Campaign Types
| Type | Use Cases |
|---|---|
| Standard | Marketing, notifications, alerts |
| Special | Political, charity, emergency |
| Low Volume | Mixed use, under 6,000 msgs/month |
Required Information
- Use case description
- Sample messages
- Opt-in method
- Opt-out handling
Vetting Process
Campaigns undergo third-party vetting. Declined campaigns receive feedback for resubmission.Multi-Brand Companies
For companies with multiple brands (e.g., parent company with subsidiaries):- Register each brand separately
- Link campaigns to appropriate brand
- Maintain consistent legal entity information
Email Alerts
Set up alerts for registration status:- Navigate to Messaging > 10DLC
- Configure notification preferences
- Receive updates on approvals/rejections
Toll-Free Verification
US toll-free numbers require verification before messaging.Verification Process
- Purchase toll-free number
- Submit verification request
- Carrier reviews submission
- Receive approval or rejection feedback
Submit Verification
- Navigate to Messaging > Toll-free Verification
- Click Submit Toll-free Verification
- Select profile
- Complete required fields
- Submit
Required Information
| Field | Description |
|---|---|
| Business name | Legal business name |
| Business type | Direct brand or ISV/Reseller |
| Use case | How you’ll use messaging |
| Sample messages | Example message content |
| Opt-in method | How users consent |
| Website | Business website |
Verification Outcomes
| Status | Meaning | Action |
|---|---|---|
| Approved | Ready to send | Begin messaging |
| Rejected | Issues identified | Review feedback, resubmit |
Best Practices
- Provide clear, accurate business information
- Include realistic sample messages
- Document opt-in methods clearly
- Respond promptly to carrier inquiries
Short Codes
5-6 digit numbers for high-volume messaging.Benefits
- Highest throughput (100+ MPS US, 10 MPS Canada)
- Memorable for customers
- Ideal for marketing campaigns
Application Process
US Short Codes
- Submit application through Plivo
- Carrier review (6-12 weeks)
- Approval and provisioning
- Campaign setup
Canada Short Codes
Similar process with Canada-specific carrier requirements.Requirements
- Detailed use case documentation
- Compliance with CTIA guidelines
- Sample messages and opt-in flows
- EIN verification
Management and Renewal
- Short codes auto-renew by default
- Contact Plivo support to decommission
- Maintain compliance to avoid suspension
Registry Updates
The US Short Code Registry requires:- EIN verification for all short codes
- Enhanced monitoring for existing campaigns
- Regular compliance audits
Opt-In Requirements
All A2P messaging requires user consent.Supported Opt-In Methods
| Method | Description |
|---|---|
| Web form | User enters phone number on website |
| Keyword | User texts keyword to your number |
| Paper form | Physical sign-up sheet |
| Verbal | Phone call consent (recorded) |
| Point of sale | In-person consent at checkout |
Best Practices
- Document all consent clearly
- Include opt-out instructions (STOP)
- Honor opt-outs immediately
- Maintain consent records
Throughput Comparison
US Throughput
| Number Type | Registration Status | SMS Throughput |
|---|---|---|
| Long Code | Unregistered | 1 MPS, 2,000/day limit |
| Long Code | 10DLC Low Volume | 0.2-0.75 MPS |
| Long Code | 10DLC Standard | 3.75-15+ MPS |
| Toll-Free | Verified | 25 MPS |
| Short Code | Approved | 100+ MPS |
Canada Throughput
| Number Type | SMS Throughput |
|---|---|
| Long Code | 15/minute |
| Toll-Free | 25/second |
| Short Code | 10/second |
Troubleshooting
Registration Rejected
- Review feedback from TCR/carrier
- Correct identified issues
- Resubmit with updated information
Messages Filtered
- Verify registration is complete
- Check message content for spam triggers
- Ensure proper opt-in documentation
Low Throughput
- Complete 10DLC registration for higher limits
- Consider toll-free or short code for high volume