"Desafío Comunicación" is an ambiguous request with no platform or constraint stated, so the answer is a best-effort shortlist of communication platforms; Twilio 1 offers voice, SMS and email APIs and a voice SDK, and LiveKit 5 and ElevenLabs 6 cover voice-agent use. Tell us whether you need voice calls, messaging, in-app chat or AI voice to narrow it down.

A question back: Which kind of communication do you need: phone calls, SMS/messaging, in-app chat, or AI voice agents?

1. 1

   Twilio Voicetwilio.comverified and signed

   Cloud communications APIs for voice, SMS, RCS and email, with a voice SDK for browser and app calling 111.

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   official:API · Twilio - VoiceSDK · @twilio/voice-sdk

   for agents: voice · voip · FetchByocTrunk

2. 2

   LiveKitlivekit.ioverified and signed

   Open source framework and cloud platform for building real-time voice and video applications and voice AI agents 515.

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   +7 community tools built for it

   for agents: audio · webrtc · livekit-agents

3. 3

   ElevenLabselevenlabs.ioverified and signed

   AI voice generation and voice agents platform with APIs, SDKs and an MCP server for speech and real-time voice conversations 616.

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   official:MCP server · ElevenLabs+58 community tools built for it

   for agents: voice-changer · text_to_voice · speech-engine

4. 4

   Stream Chat & Videogetstream.ioverified and signed

   APIs and SDKs for building in-app chat, video and activity feeds 313.

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   +1 community tools built for it

   for agents: messaging · stream · conversation

5. 5

   Vonage Messagesvonage.comverified and signed

   Messaging API for sending messages across channels, part of Vonage's communications APIs 212.

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   official:API · Messages API+16 community tools built for it

   for agents: SendMessage