Person to Person (P2P)

Messages that are generated by humans rather than an application. P2P traffic must meet the 3:1 message ratio.

Long Code numbers (typical 10 digit or international subscriber numbers)

Application to Person (A2P)

Messages that are generated by an automated application. Generally, A2P traffic requires a short code and comes with a higher cost per message rate.

Notifications
Two factor Authentication (2FA)
Marketing Campaigns
Advertisements
Alerts
Require Short codes Numbers – generally 5-6 digits in length. Meant for A2P traffic.
No enforcement on message ratios.

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