The Vonage Nexmo Voice API allows developers to build high-quality voice applications in the cloud. With the Voice API, developers can build apps that scale with web technologies already in use, control the flow of inbound and outbound calls, record and store inbound or outbound calls, create conference calls, and send text-to-speech messages in 23 languages with different genders and accents.
This API is part of a suite provided by Vonage (formerly Nexmo) for managing customer communications.
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