Voice

Build voice experiences on the CM.com Voice platform: request or port phone numbers, design call flows with the Voice FlowBuilder, make calls and play text-to-speech prompts through the Voice API, and manage SIP accounts, audio files and call insights.

Explore

Number Requests

Request new phone numbers or port existing ones, and manage company profiles, via the Voice Management App or the API.

Voice FlowBuilder

Build, run and debug inbound and outbound call flows with drag-and-drop building blocks.

Text to Speech

Supported text-to-speech languages and voices, and the TTS API to list them.

Voice API

Start and control calls programmatically, with callbacks, SSML, DTMF and notification instructions.

Phone Numbers

List, retrieve and manage the phone numbers and phone number ranges on your account.

Company Profiles

Create, validate and update the company profiles required for regulated phone numbers.

Documents

Upload the supporting documents required for company profiles and number requests.

SIP Accounts

Manage SIP accounts, endpoints, configuration and restrictions.

SIP Thresholds

Configure thresholds on SIP accounts.

Distribution Groups

Manage distribution groups and their endpoints.

Voice Insights

Retrieve conversations for your voice traffic.

CDRs

Retrieve call detail records.

Voice Accounts

Create voice accounts for your organization.

Audio Files

Browse, upload, move and delete the audio prompts used in your call flows.