SMS API
- My message was replaced
- How to use DialSMS?
- MMS is not supported
- Incoming-call notification URL
- What does "Sender ID" do?
- What is K-premium service?
- How many characters would fit within 1 x SMS?
- I want to include a lot of info in 1 SMS
- 504 error shown at SMS sending
- Does the system retry sending in case of delivery failure?