Carlos Vinicio Guevara

Disconnect (from ITU T.30) – signals a graceful hang up.

ITU T.30 is a fax specification used for the Fax API (Phaxio by Sinch). "Procedures for document facsimile transmission in the general switched telephone network" Find the full specification here. 

A DCA (Direct Connect Aggregator) is a company that has a direct connection to a Mobile Network Operator (MNO) Gateway and transmits messages on behalf of its customers. 

Daily  Active Users  - the number of users who use the app or service at least once per day.  Contrasts to Monthly Active Users (MAU) – a measurement of monthly usage.

Monthly Active Users - A measurement of usage, the number of users who use the app or service at least once per month.  Contrasts to Daily Active User (DAU) – a measurement of daily usage.

A data call is a phone call over the internet, also known as VoIP.

Click-Through Rate measures what percentage of people clicked (or tapped on a smartphone) an add or call to action in a message.

The Cellular Telecommunications & Internet Association is an international non-profit membership organization representing the U.S. wireless communications industry since 1984. Members include wire...

Call to Action. The call-to-action for a single-message program can be simple. The primary purpose of disclosures is to ensure a consumer consents to receive a text message and understands the natu...

CSR is a Certificate Signing Request - it is needed for the purchase of a certificate for a URL.