Volumetric Limitations

These rates are based on guidelines outlined in the CTIA Messaging Principles and Best Practices. 

• 60 messages per minute from a single originating telephone number 
• 100 distinct recipients/terminating telephone numbers per messages
• 1,000 messages per 24 hours from a single originating telephone number
• 1:1 ratio of outgoing to incoming messages per telephone number with some latitude in either direction 25 repetitive messages
• 1 telephone number assigned to or utilized by a single Consumer

File Size

Wireless operators support different maximum file attachment sizes. Please see carrier
breakout below to review size restrictions.

AT&T:

• If the media is less than 1 MB, CallRevu carrier services will PASS-ON to AT&T and no message resizing is done.
• If media is more than 1 MB and less than 3 MB, then CallRevu's carrier services will do message resizing
and then deliver the resized media/message to AT&T.
• If media is over 3 MB, then CallRevu's carrier services will drop the message.
• AT&T will accept media up to 1 MB.

Verizon:

• Verizon will accept media up to 1.7MB.
• If media over 1.7 MB will be dropped by the carrier relay
• No message resizing will be done by the carrier relay if destination is Verizon.

T-Mobile/Sprint:

• T-Mobile will accept media up to 3 MB.
• If media over 3 MB will be dropped in carrier transit.
• No message resizing will be done by the carrier relay if destination is T-Mobile or Sprint.

Supported File Types:

General Rules of Content

Throughout these Policies and Best Practices, it is important to note that we draw on information from
the CTIA Principles and Best Practices. This document is the guiding force that both US
P2P (Consumer) and A2P (Non-Consumer, including 10DLC) draw upon.

Message senders should take affirmative steps and employ tools that monitor and prevent Unwanted
Message content, including content that:

1. Is unlawful, harmful, abusive, malicious, misleading, harassing, violent, obscene/illicit, or
   defamatory,
2. Is deceptive (e.g., phishing messages intended to access private or confidential information),
   including deceptive links,
3. Invades privacy.
4. Promotes illegal activity,
5. Causes safety concerns,
6. Incites harm, discrimination, hate or violence,
7. Intended to intimidate,
8. Includes malware,
9. Threatens Consumers,
10. Does not meet age-gating requirements,