10DLC Glossary

Here is a handy reference for 10DLC terminology:

Term	Definition
P2P	Person-to-person SMS describes messages sent to an individual's handset from a handset. Messages sent from Spoke are currently categorized as A2P, not P2P.
A2P	Application-to-person SMS describes messages sent to an individual's handset via an application. Traffic sent via an application is considered A2P by the telecom industry regardless of whether that message was initiated by a person or a program. Messages sent from Spoke are currently categorized as A2P.
Long Code Phone Number	A standard 10-digit phone number in the North American Numbering Plan. Your personal phone number is a long code number.
Short Code Phone Number	A 5 or 6 digit phone number requiring a rigorous registration by the sender and explicit opt in from recipients in exchange for fewer sending restrictions.
10-Digit Long Code (10DLC)	A system that allows businesses to send A2P-type messages over standard 10-digit long code numbers. This was implemented by the telecom industry to limit spam to consumers and lower filtering risk to senders.
Brand	Brand registration identifies a business as the entity sending messages on the network.
Campaign	Campaign registration identifies what type of content a business is sending on the network. Different use cases are subject to different restrictions.
The Campaign Registry (TCR)	The entity responsible for managing brand and campaign registration.
Campaign Verify	The entity responsible for verifying 10DLC campaigns for campaign committees (organizations that are tax-exempt under Section 527).
Campaign Service Provider (CSP)	A business responsible for sending messages on behalf of multiple brands and able to manage brand and campaign registration on their behalf. With the Ranks acts as a CSP.
Direct Connect Aggregator (DCA)	A company that has a direct connection to a Mobile Network Operator (MNO) Gateway and transmits messages on behalf of its customers or “content providers”. Twilio is an example of a DCA.