VK Calls in the Woods: Calling on Poor Networks
summary
Describes how VK implemented resilient voice calling on Android to work over networks with high packet loss and low bandwidth, such as metros, elevators, or public Wi‑Fi. Covers specific audio and connection techniques used in the client to maintain call quality in poor network conditions, and presents approaches other projects can apply for real‑time media transmission.
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chapters (10)
- 0:00Introduction
- 1:05Call problems on poor networks
- 2:29What is WebRTC
- 6:23Signaling connection issues
- 12:44Audio problems in calls
- 26:55OPUS 1.5 new features
- 31:36Call testing methods
- 35:50Real-world city testing
- 39:45Summary and recommendations
- 41:06Q&A
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