Telesign’s Voice API enables you to design A2P, P2P, and P2A calling experiences directly to provide a two-way voice communications for your web or mobile application. You can also acquire and implement phone numbers across 120+ countries for local experience. With this powerful single API, you can reformat phone numbers for increased deliverability, as well as record calls.
Programmatically control, make, receive, manage and route calls around the world – available in over 230 countries & territories.
Collect a series of DTMF digits during a call, prompting the user to take action.
Play your own audio files for voice greetings, call scripts, and notifications. You can even use Amazon Polly for text-to-speech, lifelike automated voices.
Convert text into a voice-based message using text-to-speech (TTS available in 26 languages & dialects).
for red flags and suspicious patterns to help protect you from IRSF attacks.
Build easy-to-manage IVR flows with DTMF key prompts to send callers through pre-selected call flows. You can even follow up with automates surveys.