Go to Settings
Select Phone System
Open the Trust Center tab
Check your A2P Messaging (SMS) registration status there
Go to Settings
Select Phone System
Go to Additional Settings
Check the Telephony Provider to see what the default provider is currently set to
If the provider is TextGrid or Twilio, the status will need to be checked through the support team.
A2P registration usually takes 7–10 business days, depending on carrier verification .