Originally Posted by
canadiancow
If I'm communicating with my cellular provider, causing them to relay a 160 character message to another cellular provider, for delivery to your device as SMS, that's SMS.
Originally Posted by
RatherBeInYOW
This is quite literally false.
When Air Canada send you the "boarding has now started" text message ... I'm reasonably confident that Air Canada are not connecting directly to a carrier, but are using an aggregator like
Twilio. They send it over the internet, and you receive it as a text message.
Do you count that as SMS?