Grow your application globally by giving it phone numbers in 41 countries. Going big was never so easy.

Automate text messaging with Tropo and your application can exchange messages with mobile devices all over the world.

Have recorded audio from calls automatically transcribed and posted to your server or via email in seconds.

Need to record a call, conference call, or just part of a call? Tropo can record any part of your calls in .wav or .mp3 format and post them the cloud storage location of your choice.

Tropo applications can join multiple callers into multi-party conferences and add advanced features including recording and SIP.

Tropo supports text to speech (TTS) in 32 languages and dialects, in both male and female voices, including: English (U.S., British and Australian), Spanish (Castilian, Argentine, Chilean and Mexican), Mandarin Chinese, French and more.

Automatic Speech Recognition (ASR) in 24 languages allowing callers to use either touchtone or their voice to answer prompts during the call. Tropo supports four forms of speech recognition grammars including Simple Grammars, GrXML, JSGF and ABNF.