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Sinch Voice Codec Mismatch

Incompatible codecs between the calling parties.

Understanding Sinch Voice API

Sinch Voice API is a powerful tool designed to facilitate voice communication in applications. It allows developers to integrate voice calling features into their applications, enabling seamless communication between users. The API supports a variety of codecs to ensure high-quality voice transmission across different devices and networks.

Identifying the Symptom: Codec Mismatch

One common issue developers encounter when using Sinch Voice API is a 'Codec Mismatch' error. This problem typically manifests as poor audio quality or failed call connections. Users may experience garbled audio, dropped calls, or an inability to establish a call altogether.

Exploring the Issue: What is Codec Mismatch?

A codec mismatch occurs when the calling parties do not support the same audio codec. Codecs are algorithms used to encode and decode audio data for transmission. If the codecs are incompatible, the audio cannot be properly processed, leading to communication issues.

Common Codecs in Use

Some of the common codecs include G.711, G.729, and Opus. Each codec has its own advantages and is suited for different network conditions. For a successful call, both parties must support at least one common codec.

Steps to Resolve Codec Mismatch

To resolve a codec mismatch issue, follow these steps:

Step 1: Identify Supported Codecs

First, determine the codecs supported by both the calling and receiving parties. This information is usually available in the device or application settings. Ensure that at least one common codec is supported by both parties.

Step 2: Configure Codec Settings

Once you have identified the common codecs, configure the settings to prioritize these codecs. This can often be done in the application or device settings. For example, in a VoIP application, navigate to the audio settings and select the preferred codecs.

Step 3: Test the Connection

After configuring the codecs, test the call connection to ensure that the issue is resolved. Make a test call and check for audio clarity and connection stability.

Additional Resources

For more detailed information on configuring codecs and troubleshooting common issues, refer to the following resources:

By following these steps, you can effectively resolve codec mismatch issues and ensure high-quality voice communication using Sinch Voice API.

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