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Voice

When a message must be heard, not just delivered.

Trigger outbound voice calls with text-to-speech or pre-recorded audio — for OTP, critical alerts, and notifications that can't wait.

Powered by AMD Telecom · 190+ countries
96.2%
Average call connect rate
85+
Countries with outbound voice reach
< 5s
Average ring time to connect
Capabilities

Programmable voice for the calls that count.

Text-to-speech, pre-recorded audio, IVR and voice OTP — every call event streamed back in real time.

Text-to-speech (TTS)

Natural-sounding speech in 30+ languages. Specify the voice and accent per call.

Pre-recorded audio

Upload your own files for branded calls and compliance messages.

Voice OTP

A fallback when SMS fails — the code is read aloud twice for clarity.

IVR flows

Press-1-to-confirm menus. Responses delivered straight to your webhook.

Call status webhooks

Answered, voicemail, failed — real-time callbacks on every event.

Caller ID control

Display your brand number. Rent a local number in 40+ countries.

Where it shines

For messages that demand to be heard.

Critical alerts

Outage and fraud warnings where a ringing phone carries an urgency a text never will.

Alerts

Voice OTP fallback

Deliver a spoken code when SMS cannot reach a roaming or out-of-coverage user.

2FA / OTP

Appointment confirmation

Press 1 to confirm, 2 to reschedule — responses routed back to your system instantly.

IVR
How it works

Voice in three steps and one API call.

01

Define the call

Provide text-to-speech content or a pre-recorded file, plus the language and voice.

02

We place the call

Outbound dialling across 85+ countries with your branded caller ID.

03

Hear the outcome

Answered, voicemail or failed — every event streams back over webhooks in real time.

voice.php
$client->send([ 'channel' => 'voice', 'to' => '+447700900000', 'body' => 'Your verification code is {{code}}.', 'tts_lang' => 'en-GB', ]);
Starting from
£ 0.0280 per 30s block
United Kingdom rate — billed per 30-second block · See full pricing →
Voice on ComniCube

When it absolutely must be heard.

Trigger outbound voice calls from the same API as every other channel — for OTP, critical alerts and time-sensitive notifications.