---
title: Glossary of Terms
description: This glossary aims to clarify key terms commonly used in the realm of Bulk SMS.
---
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January 20, 2026
# Glossary of Terms
## This glossary aims to clarify key terms commonly used in the realm of Bulk SMS.
### Parent Account:
A parent account is established with the capability to oversee and control child accounts. It enables the allocation of credits, monitoring of message transactions, setting sender IDs, and more.
### Child Account:
A child account is set up by either an administrator or a parent account holder. It possesses all the features of a regular client account but is supervised and controlled by the parent account holder.
### Campaign:
A campaign is a strategic marketing initiative that involves sending out a specific SMS message to a targeted audience with the goal of promoting a product, service, event, or other information. It allows businesses to reach out to their customers in a personalized and direct manner, increasing engagement and driving desired actions. By crafting compelling messages and carefully selecting the recipients, campaigns can effectively communicate key messages and drive desired outcomes.
### Opt Out:
Ways for individuals to stop receiving additional messages or information from an Phonovation bulk text account.
### Smart Tag:
An innovative feature that enables you to seamlessly insert data from a Microsoft Excel© file into your messages automatically.
### Filter:
A feature that enables you to target specific groups within your saved contact lists when sending out campaigns.
### Shortcode:
The shortcode, a memorable five-digit number, allows users to easily opt out of receiving messages. The Phonovation shortcode for opt outs is 50123.
### Longcode:
A Longcode is a standard mobile number format specific to a country, commonly used for receiving SMS responses.
### Post-paid Bundle:
When you purchase a post-paid bundle, the cost is charged to your Phonovation account and will be included in your bill.
### Sender ID:
The Sender ID, also referred to as the Originating Address (OA), is the number or name that appears on the recipient's mobile phone when they receive an SMS.
### API:
The Bulk Text API, also known as the Application Programming Interface, serves as a bridge between your current systems and the SMS messaging gateway of Phonovation.
### SMS:
Short Message Service (SMS) is a communication service that allows the exchange of short text messages between fixed line or mobile phone devices. It is a key feature of phone, web, and mobile communication systems, utilizing standardized protocols for seamless messaging.
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