Toll-Free SMS
- Toll-Free is an approved A2P solution.
- Toll-Free number routes support handset delivery receipts, binary and unicode encoding, long or concatenated messaging on most carriers.*
- You will be charged for outbound and inbound SMS.
- The STOP keyword is handled at the carrier level. The end user is advised to reply UNSTOP if they would like to get messages again.
- Marketing programs on SMS enabled toll free numbers are allowed on a limited basis.
- T-Mobile classifies all toll free traffic as business related traffic or A2P therefore delivery rates may be lower than other networks.
- You must submit for a verified toll-free number in order to send SMS / MMS
Toll-Free MMS
- All toll-free numbers are MMS capable
- Max file size is 750 KB
Behaviors that may cause blocking on Toll-Free:
- Identical content with domain of URLs changing
- Redirect URLs
- Rotating toll-free Sender IDs
- Short URLs (for example, bit.lys)
Restricted Campaigns for all US Numbers
All US Numbers traffic adheres to the CTIA guidelines. For more information, see the https://www.ctia.org/the-wireless-industry/industry-commitments/messaging-interoperability-sms-mms
- Affiliate lead or commission generation
- Auto Loans
- Credit repair programs
- Debt consolidation and reduction
- Debt forgiveness
- Deceptive Marketing
- Financial offerings
- Fraud, Spam, and Phishing
- Get rich quick programs
- Health Insurance
- Illegal Substances (Cannabis)
- Investment opportunities
- Loans (exceptions may be considered for direct lenders only)
- SHAFT (sex, hate, alcohol, firearms, tobacco) content is strictly prohibited on all US number originators
- Tax relief programs
- Work from home programs
Other Features or Restrictions
Reach to Virtual Numbers
While Google Voice numbers are reachable through Vonage, we do not provide reach to other virtual number providers due to fraud prevention precautions. If you have any particular business case where you would like to be able to reach virtual numbers, submit a support request with details about your use case.
Social Invites
Social invites are problematic in the US if multiple human interaction steps are not involved. The individual user should be able to decide who to send, when to send, and what to say.
Charitable Donations
Donations can run on the network. However, must go through verification.
Gambling
Gambling, casino, bingo should be age-gated and only promote content like events, locations, etc. and not actual gambling, casino, bingo.
*Unicode is not supported on US Cellular; they support ASCII.
Additional Information
For more information, see the following articles:
Articles in this section
- Toll-Free Number Changes Oct 1, 2022 (Overview)
- Canada Long Virtual Number Restrictions
- Canada Toll-Free Numbers Features and Restrictions
- Canada Short Code Restrictions
- Verified Toll-Free Numbers - US and Canada TFNs
- US Toll-Free Restrictions
- US Long Virtual Number Restrictions
- US Short Code Restrictions
- Can I send SMS to my Virtual Number using the Vonage SMS API?
- How can I receive inbound SMS in countries where Vonage virtual numbers are not available?