Messaging
- How do I send a text message?
- How do I know if my message has been read?
- Are my messages delivered?
- What is a 'Blacklist' rule?
- Why do I see 'Invalid number' when texting?
- Why can't I text when I have Credits? (For US, UK, Canada users)
- Error "The From number +XXX is not a valid, SMS-capable inbound phone number or short code for your account."