Administering IP Office Voicemail Pro

Using text-to-speech (TTS)

Last Updated : Mar 12, 2025 |

The voicemail service can use text-to-speech (TTS) for several functions:

Automatically provide an entry prompt for actions using the action's description text.
Add spoken prompt's during a call flow using Speak Text actions.
Perform email reading.
Speech recognition (on subscription IP Office systems using Google speech).

Depending on the type of IP Office server, you can add TTS using the following methods:


Method	Description
Local TTS	Local TTS is supported by PLDS licenses and subscription IP Office system. Languages are added by installing files on the same server as the Voicemail Pro service. PLDS licensed IP Office systems require TTS licenses. Subscription IP Office systems do not require any additional subscriptions. Languages: Brazilian (Portuguese), Chinese (Mandarin), Danish, Dutch, English (UK), English (US), Finish, French, French (Canadian), German, Greek, Norwegian, Polish, Portuguese, Russian, Spanish, Spanish (Colombian) and Swedish. By default, IP Office on includes English. To install other languages, see the Deploying IP Office Server Edition manual.
Google speech TTS	Google speech is supported on subscription IP Office systems only. It uses internet connect to Google to generate prompt when required. Subscription IP Office systems do not require any additional subscriptions. Languages: Arabic, Brazilian Portuguese, Czech, Danish, Dutch, English (Australian), English (UK), English (US), Finish, French, French (Canadian), German, Greek, Hungarian, Italian, Japanese, Norwegian, Polish, Portuguese, Spanish, Swedish and Turkish. Using Google speech automatically overrides any local TTS services.

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