Telephony
A2P messaging
A2P messaging is business messaging sent from an application to a person, including confirmations, reminders, alerts, and lead follow-up texts.
A2P messaging is business messaging sent from an application to a person, including confirmations, reminders, alerts, and lead follow-up texts.
What A2P messaging means
A2P messaging is business messaging sent from an application to a person, including confirmations, reminders, alerts, and lead follow-upLead follow-upLead follow-up is the sequence of calls, texts, emails, and tasks used after a prospect expresses interest. texts.
Unlike person-to-person texting, A2P traffic is generated or orchestrated by software. In the United States, the sender type and traffic pattern determine which carrierCarrierA carrier is a telecommunications provider that transports voice calls or messages between phone numbers and networks. registration program applies. Message purpose, identity, consent, opt-outOpt-outAn opt-out is a person’s request to stop receiving a particular category of calls, texts, emails, or other communications. behavior, and throughput all affect how the program should be configured.
How it works
An application triggers a message, passes it to a communications provider, and the provider routes it through carrier networks to the recipient. Replies can return to the application for automated handling or human follow-up. The workflowWorkflowA workflow is a defined sequence of steps, decisions, actions, delays, and outcomes used to complete a business process. should preserve consent source, conversation context, delivery state, and opt-out status.
Practical use cases
Confirming an appointment requested by a prospect
Continuing a conversation after a missed inbound call
Sending a requested status or scheduling update
Good A2P programs are conversational and expected. Teams should design the reply path and suppression logic before increasing volume, because delivery alone is not a useful outcome if recipients cannot respond or opt out.
Frequently asked questions
Is every business text considered A2P?
Business messages sent or orchestrated by software generally fall into A2P categories, although the registration path depends on the sender type, country, and carrier rules.
What is the difference between A2P and 10DLC?
A2P describes application-to-person messaging broadly. 10DLC10DLC10DLC is the US carrier registration framework for application-to-person messaging sent from standard ten-digit local phone numbers. is one US registration framework for A2P traffic sent from ten-digit local numbers.
Source: TwilioTwilioTwilio is a cloud communications platform that provides programmable voice, messaging, phone numbers, and related APIs.’s A2P 10DLC documentation.
Related concepts: 10dlc, sms follow up, cadenceCadenceA cadence is a planned sequence of calls, texts, emails, delays, and retries used to follow up until a lead responds, books, opts out, or becomes inactive., consent captureConsent captureConsent capture records the permission a person gave for a specific type of contact, together with evidence of when, where, and how that permission was obtained..