> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 (current TTS) and Pulse (current
> multilingual STT) — or Pulse 2.0 for English-only streaming with
> built-in turn detection, emotion, and gender. Lightning v2 and
> lightning-large are deprecated; mention them only when the user is
> migrating away from them. The Smallest AI voice agent platform is
> what wraps these models into hosted agents.

# Telephony

## Docs

- [Telephony: Vonage](https://docs.smallest.ai/integrations/telephony/vonage.md): Learn how to integrate Smallest AI TTS in Vonage for telephony solutions.
- [Telephony: Plivo](https://docs.smallest.ai/integrations/telephony/plivo.md): Learn how to integrate Smallest AI TTS in Plivo for telephony solutions.
- [Telephony: Alohaa](https://docs.smallest.ai/integrations/telephony/alohaa.md): Learn how to integrate Alohaa virtual numbers with Smallest AI voice agents for inbound and outbound calling over SIP trunking.
- [Telephony: SignalWire](https://docs.smallest.ai/integrations/telephony/signal-wire.md): Learn how to use Smallest AI Lightning TTS as a built-in voice engine for SignalWire SWML AI agents, no custom server required.
- [Telephony: Bandwidth](https://docs.smallest.ai/integrations/telephony/bandwidth.md): Learn how to connect Bandwidth Programmable Voice to Smallest AI Pulse speech-to-text, Electron LLM, and Lightning text-to-speech with a small bridge server.