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Text-to-Speech (TTS) in Webex Contact Center
In this article
Feedback?This article provides information about the in-built Text-to-Speech (TTS) capability in the Webex Contact Center solution that seamlessly converts text into synthesized audio.
Overview
Webex Contact Center offers in-built Text-to-Speech (TTS) capability for customers. TTS automatically converts any written text into speech or synthesized audio to provide Interactive Voice Response (IVR) service to customers. TTS service includes a predefined set of neural voices and language options that you can configure in the IVR application to build call flows.
Note: Existing customers on the Webex Contact Center Next Generation Voice Media Platform can view both Cisco TTS and Google TTS connectors in the Prompt settings of IVR activities, such as Play Message, Menu, and Collect Digits in the Flow Designer. Refer to the Webex Contact Center Seup and Administration Guide for configuration details.
Supported languages and voices
Webex Contact Center supports 22 languages and 2 voices per language for Cisco TTS. The following table lists the languages and voices supported for Cisco TTS:
|
Locale |
Language |
Male Voice Name |
Female Voice Name |
|---|---|---|---|
| de-CH | German (Switzerland) | de-CH-Luca |
de-CH-Eva *default |
| de-DE | German (Germany) |
de-DE-Jonas *default | de-DE-Emma |
| en-GB | English (United Kingdom) | en-GB-Colton |
en-GB-Agnes *default |
| en-IE | English (Ireland) | en-IE-Liam |
en-IE-Fiona *default |
| en-IN | English (India) | en-IN-Veer |
en-IN-Ananya *default |
| en-US | English (United States) | en-US-Daniel |
en-US-Maria *default |
| en-AU | English (Australia) | en-AU-Chris |
en-AU-Amelia *default |
| es-ES | Spanish (Spain) |
es-ES-Pablo *default | es-ES-Cristina |
| es-MX | Spanish (Mexico) |
es-MX-Arturo *default | es-MX-Luna |
| es-US | Spanish (United States) |
es-US-Alonso *default | es-US-Paloma |
| fil-PH | Filipino (Philippines) | fil-PH-Luis |
fil-PH-Sofia *default |
| fr-CA | French (Canada) |
fr-CA-Andre *default | fr-CA-Lea |
| fr-FR | French (France) | fr-FR-Adrien |
fr-FR-Ariane *default |
| it-IT | Italian (Italy) |
it-IT-Nico *default | it-IT-Alice |
| ja-JP | Japanese (Japan) | ja-JP-Haru |
ja-JP-Aiko *default |
| nl-NL | Dutch (Netherlands) | nl-NL-Edwin |
nl-NL-Adriana *default |
| pl-PL | Polish (Poland) | pl-PL-Filip |
pl-PL-Natalia *default |
| pt-BR | Portuguese (Brazil) | pt-BR-Davi |
pt-BR-Camila *default |
| sv-SE | Swedish (Sweden) |
sv-SE-Hugo *default | sv-SE-Kristina |
| th-TH | Thai (Thailand) |
th-TH-Chaisai *default | th-TH-Anong |
| vi-VN | Vietnamese (Vietnam) | vi-VN-Tai |
vi-VN-Linh *default |
| zh-CN | Chinese (Mandarin, Simplified) | zh-CN-Hong |
zh-CN-Liu *default |
- To use the default language and voice for Cisco Text-to-Speech, you must configure the global variables
Global_VoiceNameandGlobal_Languagein the flow. For more information about how to add these global variables to the flow, see Global Variables. - To override the default language and voice for Cisco Text-to-Speech, configure the Set Variable activity with the appropriate voice name code.
Supported Speech Synthesis Markup Language (SSML) tags
The following table lists the standard SSML tags that are supported for TTS voice.
|
SSML Tag |
Attributes | Description |
|---|---|---|
| <speak> |
Identifies the SSML-enhanced text. | |
| <break> |
|
Adds a pause in your message. |
| <say-as> |
|
Controls how special types of words are spoken. |
| <audio> | src |
Embeds short, pre-recorded audio within your message. |
| <p> |
Adds a pause between paragraphs. | |
| <s> |
Adds a pause between sentences. | |
| <prosody> |
|
Controls the volume, speaking rate, and pitch of the voice.
The values for rate, pitch, and volume must adhere to
the W3C recommendation for Speech Synthesis Markup Language (SSML) 1.0. For
detailed information about the parameters and values, see https://www.w3.org/TR/2004/REC-speech-synthesis-20040907/. |
| <sub> | alias |
Pronounces acronyms and abbreviations |
