Automate and contextualize your communications in real-time

Use CALLR real-time to enhance and optimize inbound and outbound calling experience: automate, contextualize and smarten your communications.

Real-time & customized call experience

Your business, your rules: define custom IVR mapping to seamlessly route calls between your agent, with all the context they need. Get to know your callers, welcome your users as if you’ve known them forever with personalized greetings.
Prioritize important prospects and manage your queue in real-time.

automate, contextualize and smarten your communications

Having a one-day sale? An event to promote? Easily generate online or in-store traffic. Automate and scale your campaigns, while keeping them personal with relevant variables. CALLR enable you to engage your users all along the funnel to make sure they don't churn.
Get all the data you need to craft the perfect experience: pair inbound phone calls with website traffic with web session ID matching.

custom IVR - Diagram of an agent receiving information about a caller

Users' security and privacy

Anonymous calling lets you assign dedicated phone numbers to your platform's users, so neither party has the number of the other. Benefit from the convenience of SMS or phone notifications while masked phone numbers give your users an extra layer of privacy.
Keep control over your users' communications and ease your conflict resolution processes with access to the call recordings.

improve the user experience

Gain unique and actionable insights

Get precise analytics to craft step-based funnel providing a comprehensive overview of your comms. Gather actionable insights and implement them in real-time thanks to our API.
You can easily push the data collected to your own infrastructure and software using webhooks.

a funnel representation the results of a call campaign

Smarten your inbound & outbound communications

Telco Made Easy

Thanks to our API, we are democratizing telcos: you don't need to be a telco expert to thrive with it. We provide you with code samples, extensive documentation, and a reliable support team to help you achieve a faster go-to-market in your business comms projects.

Enterprise-Grade Service

Ensuring a reliable service is as critical for us as it for you; we take every step required to secure its continuity with exhaustive and automated monitoring processes. Should you need any help, you will promptly find a helpful, reactive and top-notch support team ready to jump in.

Shared Expertise

We have the resources and expertise to help you thrive with your any VoIP phone systems: SIP or IAX. As a carrier, we operate our infrastructure in Europe and an interconnection network with tier 1 carriers in the rest of the world: you don't have to worry about coverage or delivery.

Flexibility Through Ownership

CALLR operates its own platform, so you can to cut out unnecessary intermediaries: no more black boxes! Our infrastructure built using open source technologies lowers your cost of ownership and grants you full end-to-end control over your business communications.

All-in-one Telecom

Reach more than 220 countries with unparalleled call quality from a single service. Our API acts as your friendly and exhaustive helper to the world of telecoms: it facilitates your implementation of any service, including real-time call control, phone numbers, IAX, or call tracking.

End-to-end Business Comms

We have been involved as carriers for more than nine years. We're happy to leverage that experience for you, and it goes beyond the mere delivery of your messages: our mission is end-to-end communications.

I want to call in:

Voice (Billing is per second)

Inbound

$ /min

Number

$ /num/month

Outbound (landline)

$ /min

Outbound (mobile)

$ /min

SMS

Inbound

$ /sms

Outbound

$ /sms

Need to handle a high volume of calls? Bulk prices apply

Contact us for more information

Efficiently manage your business comms with CALLR

One-stop shop communication API for real-time call routing and more

A potent platform to simplify your development projects and ensure deliverabity. Get started in minutes thanks to our comprehensive voice and SMS API documentation. Need more info? Check our Knowledge Base.
Looking for specific features not mentioned here? Feel free to signup and book a chat with our customer success team.

  • Send SMS (PHP)
  • Make a call (JS)
  • MT SMS DLR (Python)

Copied!

// composer require 'callr/sdk-php:dev-master' require 'vendor/autoload.php'; $api = new \CALLR\API\Client; $api->setAuthCredentials('login', 'password'); $from = 'Your Brand'; $to = '+33123456789'; $text = 'Hello, SMS world!'; $options = new stdClass; $options->force_encoding = 'GSM'; // or 'UNICODE' $options->nature = 'ALERTING'; // or 'MARKETING' $result = $api->call('sms.send', [$from, $to, $text, $options]);
// composer require 'callr/sdk-php:dev-master'

require 'vendor/autoload.php';

$api = new \CALLR\API\Client;
$api->setAuthCredentials('login', 'password');

$from = 'Your Brand';
$to   = '+33123456789';
$text = 'Hello, SMS world!';

$options = new stdClass;
$options->force_encoding = 'GSM'; // or 'UNICODE'
$options->nature = 'ALERTING'; // or 'MARKETING'

$result = $api->call('sms.send', [$from, $to, $text, $options]);
// npm install callr var callr = require('callr'); var api = new callr.api('login', 'password'); var target = { number: '+16469820800', timeout: 30 }; var messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call! good bye.']; api.call('calls.broadcast_1', target, messages, null).success(function(result) { // });
// npm install callr

var callr = require('callr');
var api = new callr.api('login', 'password');

var target = {
    number: '+16469820800',
    timeout: 30
};

var messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call! good bye.'];

api.call('calls.broadcast_1', target, messages, null).success(function(result) {
    //
});
# pip install callr import callr api = callr.Api("login","password") options = {'webhook': {'endpoint': 'http://yourdomain.com/webhook_path'}} result = api.call('sms.send', 'SMS', '+16469820820', 'Hello SMS world! (with DLR pushed to an URL endpoint)', options)
# pip install callr

import callr
api = callr.Api("login","password")

options = {'webhook': {'endpoint': 'http://yourdomain.com/webhook_path'}}

result = api.call('sms.send', 'SMS', '+16469820820', 'Hello SMS world! (with DLR pushed to an URL endpoint)', options)

They trust us

A feature-rich API and communication platform to go beyond call routing

realtime

Real-time Call Control

We allow you to build a fully customisable phone experience with real-time routing, recording, voicemail, audio play and more. Initiate, receive and control calls to enrich your business workflows.

webhook

Webhooks

We provide webhooks in the form of HTTP POST (JSON payload) for all kinds of trigger events (SMS delivery reports, call statuses, billing) so that you can safely build a real-time experience for your users.

record

Call Recording

All calls can be recorded so you can keep record of conversations and improve quality of service.

tts

Multilingual Text-to-Speech (TTS)

We automatically transform a written script into an audio speech in multiple languages so you don't have to manage multiple audio recordings.

dynamic did

Dynamic DIDs

Automatically buy phone numbers and dynamically assign them to your real-time enterprise applications, conferences, call tracking and sip trunks.

shortcode

Shortcode and Long Virtual Number

For your business, you can choose between a shortcode (4 or 5 digits) and long virtual number for 2-WAY messaging. Local limitations may apply.

cdr

Call Detailed Report (CDR)

We provide the calls' raw data: caller (CLI) and callee numbers, duration, who hung up, hangup cause code, cost of the call, etc.

media manag

Media management

Our media library allows you to easily upload, organize and use your own media material.

mt

SMS Termination (MT)

Send SMS in more than 200 countries with very low latency and high deliverability.