Voice Calling overview
Updated
Rapidly develop and enhance social, work, education, gaming, and IoT apps with real-time voice interaction.
Agora's Voice Calling API enables crystal-clear, real-time voice communication across any device and platform. Powered by advanced audio codecs and network optimization, it ensures ultra-low latency and high-quality performance even in low-bandwidth environments. Ideal for social audio, customer support, gaming, and other real-time voice applications, this solution allows you to integrate scalable and secure voice calling capabilities into your products.
Extend Agora's Voice SDK with capabilities such as recording, transcription, and moderation, or leverage the Extensions Marketplace to enable AI-powered features like noise cancellation, voice effects, and more.
Start building
SDK quickstart
Create a basic Voice Calling app and join your first channel.
Download SDKs
Get the latest Voice SDK package for your target platform.
Authentication
Protect channels with tokens before moving to production.
API reference
Explore RTC API references for supported Voice SDK platforms.
Samples
Browse open-source sample projects for common Voice SDK workflows.
Product Features
AI-powered audio enhancement
Support for 3D spatial audio, AI noise suppression, active speaker recognition, and gain control to provide an immersive audio experience.
Clear audio
48 kHz sampling rate with full-sound bandwidth capture provides natural audio reproduction and ensures clear sound during calls.
Voice effects
Add audio effects ranging from sound mixing and reverb to fun voice filters.
Multiple audio tracks
Publish one or more audio tracks to one or more channels from a single instance, with support for multi-channel microphones.
Recording
Record live audio calls in the cloud or on premises and control the audio format, storage path, and voice quality.
Global coverage
Agora’s Software-Defined Real-Time Network (SDRTN®) supports voice users in over 200 countries and regions.