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RTM 1.x 将于近期下架，各版本退休日期和替代方案详见 退休政策 。
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Real-time Messaging
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Real-time Messaging

You can use the Agora RTM (Real-time Messaging) SDK to create a stable messaging mechanism for real-time messaging scenarios that require low latency and high concurrency for a global audience.
API Reference SDK Downloads Code Samples
Introduction
Product Overview
Release Notes
Pricing
Getting Started
Run the Sample Project
How to quickly run the sample project and try out sending and receiving real-time messages.
Peer-to-peer or Channel Messaging
How to integrate the Agora RTM SDK into your project and implement real-time messaging.
Generate an RTM Token
How to create an RTM token server and implement authentication in an RTM client app.
Limitations
Limitations of the Agora RTM SDK in terms of call limit, string size and encoding.
Advanced features
Manage Connection States
The various connection states and how these states change when the user logs onto and off the RTM system.
Geofencing
How to limit the data transmission of the RTM SDK to a specific region.
Best Practices
Best practices for integrating and using the Agora RTM SDK.
Developer Resources
Console
Configure, pay for and monitor your Agora products.
Glossary
Understand the main concepts about the Agora products.
FAQ
Call frequency limit
Virtual gift sending
Concurrent online users
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