# Telgorithm’s Glossary

Browse through our glossary for definitions to common terms in the A2P text messaging space.

## #

### [#](https://www.telgorithm.com/glossary/number)

## 10-digit Long Code (10DLC) Numbers

### [10-digit Long Code (10DLC) Numbers](https://www.telgorithm.com/glossary/10-digit-long-code-10dlc-numbers)

## 10DLC Campaign Rejections

### [10DLC Campaign Rejections](https://www.telgorithm.com/glossary/brand-and-campaign-rejections)

## 10DLC Compliance

### [10DLC Compliance](https://www.telgorithm.com/glossary/10dlc-compliance)

## A

### [A2P Messaging Disallowed Content](https://www.telgorithm.com/glossary/a2p-messaging-disallowed-content)

### [Application-to-Person Messaging (A2P)](https://www.telgorithm.com/glossary/application-to-person-messaging-a2p)

### [Authentication+](https://www.telgorithm.com/glossary/authentication-plus)

### [Automated 10DLC Registration](https://www.telgorithm.com/glossary/automated-10dlc-registration)

### [Automated Number Porting](https://www.telgorithm.com/glossary/automated-number-porting)

## B

### [Brand](https://www.telgorithm.com/glossary/brand)

### [Brand Verification (A2P 10DLC)](https://www.telgorithm.com/glossary/brand-verification-a2p-10dlc)

## C

### [Campaign](https://www.telgorithm.com/glossary/campaign)

### [Campaign Service Provider (CSP)](https://www.telgorithm.com/glossary/campaign-service-provider-csp)

### [Capping](https://www.telgorithm.com/glossary/capping)

### [Carrier Pass-Through Fees](https://www.telgorithm.com/glossary/carrier-pass-through-fees)

### [Connectivity Provider (CNP)](https://www.telgorithm.com/glossary/connectivity-provider-cnp)

## D

### [Direct Connect Aggregators (DCA)](https://www.telgorithm.com/glossary/direct-connect-aggregators-dca)

## G

### [Group Messaging](https://www.telgorithm.com/glossary/group-messaging)

## H

### [Hosted SMS Messaging](https://www.telgorithm.com/glossary/hosted-sms-messaging)

## L

### [Local Numbers (10DLC)](https://www.telgorithm.com/glossary/local-numbers-10dlc)

### [Long Codes](https://www.telgorithm.com/glossary/long-codes)

## M

### [Multithreading](https://www.telgorithm.com/glossary/multithread-multithreading)

## N

### [Number Verification](https://www.telgorithm.com/glossary/number-verification)

## P

### [Person-to-Person Messaging (P2P)](https://www.telgorithm.com/glossary/person-to-person-messaging-p2p)

## R

### [RBM (Rich Business Messaging)](https://www.telgorithm.com/glossary/rbm-rich-business-messaging)

### [RCS (Rich Communication Services)](https://www.telgorithm.com/glossary/rcs-rich-communication-services)

### [Rate Limits / Throughput Limitations](https://www.telgorithm.com/glossary/rate-limit)

### [Reseller](https://www.telgorithm.com/glossary/reseller)

## S

### [Secondary Campaign Vetting](https://www.telgorithm.com/glossary/secondary-campaign-vetting)

### [Smart Queueing](https://www.telgorithm.com/glossary/smart-queueing)

### [Snowshoeing](https://www.telgorithm.com/glossary/snowshoeing)

### [Sole Proprietor Use Case](https://www.telgorithm.com/glossary/sole-proprietor-use-case-in-10dlc-sms-mms)

## T

### [The Campaign Registry (TCR)](https://www.telgorithm.com/glossary/the-campaign-registry-tcr)

### [Throughput](https://www.telgorithm.com/glossary/throughput)

### [Time Routing](https://www.telgorithm.com/glossary/time-routing)

### [Toll-Free Numbers](https://www.telgorithm.com/glossary/toll-free-numbers)

### [Trust Score](https://www.telgorithm.com/glossary/trust-score)