Voice call authentication

omerm · May 7, 2024, 6:21am

Hey, is there an option to have voice call authentication? So when a user tries to connect he gets a phone call with the OTP? Is there a way to implement it even if it’s not natively supported? Such as connecting to a PBX server and such?

cornelinux · May 7, 2024, 3:08pm

Hi, yes there is!

After all this is a way of delivering an OTP value to the user, just like the SMS token.
So basically it is an SMS token, you only need to choose the correct SMS provider.

Using the SMS Script Provider
https://privacyidea.readthedocs.io/en/latest/configuration/sms_gateway_config.html#script-provider
you can write your own script that does “something” to deliver the SMS in a certain way.

There is an example:

github.com

privacyidea/scripts/blob/master/toolbox/boomalert.py

#!/usr/bin/env python
import argparse
import sys
import requests
import uuid
from base64 import b64encode

# Do not change Boom URL
URL = "https://direct-api.apps.boomcomms.com/v1/sms1"
DEFAULT_CONFIG = "/etc/privacyidea/boomalert.cfg"

parser = argparse.ArgumentParser(description='Send SMS via Boom Alert.')
parser.add_argument('--config', '-c', help="Specify the config file.",
                    default=DEFAULT_CONFIG)
parser.add_argument('--generate', '-g', help="Generate a config file.",
                    action="store_true")
parser.add_argument('phone', metavar='N', type=str, nargs='?',
                    help='Phone number to send SMS to.')
parser.add_argument('infile', nargs='?', type=argparse.FileType('r'),
                    default=sys.stdin)

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