This document discusses robocalls and solutions for mitigating them. It introduces TelcoBridges and YouMail - TelcoBridges produces VoIP gateways and SBC software, while YouMail provides robocall detection using a sensor network and call content analysis. The document outlines government actions against robocalls, YouMail's detection capabilities, and how carriers can use ProSBC and YouMail APIs to check call reputations and block high risk calls.

2. 2
Introductions
Alan D Percy
Chief Marketing Officer
alan.percy@telcobridges.com
@AlanDPercy
Mike Rudolph
CTO, YouMail
mrudolph@youmail.com

3. 3
Agenda
• Introductions
• The Problem
• Government Actions
• YouMail Robocall Detection
• RoboCall Mitigation with ProSBC and YouMail
• Where to Learn More
• Your Questions
A
D
N
E
G
A

4. TelcoBridges Inc.
• Manufacturer of VoIP gateways, signaling
gateways, and SBC software for carriers and
enterprises
• Employee Owned
• Founded in 2002
• Employees: ~40
• Headquarters: Montreal, Canada
• Hardware & software R&D as well as
production of its products in Montreal
• Sales/Support offices:
Montreal, Turkey, Hong Kong, Italy
• 24/7 technical support
4
TelcoBridges HQ

5. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
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▷ Originally known for consumer call answering services
▷ Recent expansion into safe communications for carriers
& enterprises
▷ Venture-backed : Series A & B rounds
▷ Founded in 2007
▷ ~50 employees
▷ Headquarters in Irvine, California.
▷ Operations in USA, Canada & UK.

6. 6
The Problem

7. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
58.5 billion unwanted, unsafe calls in 2019
This is bad news for making calls, too!
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8. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
www.youmail.com © 2020 YouMail, Inc
Let’s Listen To A Few
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Hello, this is just a test call. Time
to stay safe and stay home.
The Corona Virus Response Act has
made coronavirus testing more
accessible immediately. If you want to
receive a free testing kit delivered
overnight to your home,press 1..
We've been trying to reach you
concerning your car's extended
warranty. You should have received
something in the mail about your car's
extended warranty ..
This message from the Social Security
Administration is regarding an
enforcement action filed by the Department
of Treasury on your social security
number..
Stay Safe Stay Home – election interference?
COVID “Free Testing” – pandemic-related opportunities Car Warranty – the most infamous (180M monthly calls)
SSA Imposter – never real!! (30M monthly calls peak)

9. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
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https://www.ftc.gov/reports/consumer-sentinel-network-data-book-2020
How bad are illegal calls?
2
1
3

10. 10
Government
Actions

11. Government Actions
• TRACED Act – Dec 2019
• Adds penalties for violations
• Requires STIR/SHAKEN for anti-spoofing
• FCC 17-59 Public Notice Report on Robocalling
• Allows blocking for “reasonable cause”
• FCC 2042 TRACED Act Mandate
• Requires STIR/SHAKEN implementation by June 30, 2021
• Small & TDM carriers can secure an extension,
but …
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12. Government Actions
Robocall Mitigation Program
Requirements for Providers Granted
Extension
All voice service providers that rely on an
extension and do not completely implement
STIR/SHAKEN by June 30, 2021, must
implement and document a robocall
mitigation program designed to reduce
unlawful robocalls originating on their
networks. The FCC requires all programs to
include:
(1) Detailed practices that can reasonably be
expected to significantly reduce the
origination of illegal robocalls;
(2) Compliance with the described practices;
and
(3) Participation in industry traceback efforts.
• STIR/SHAKEN
extensions are
available, but…
• Robocall mitigation and
Traceback is required
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Source: https://www.jdsupra.com/legalnews/fcc-requires-all-voice-providers-to-91437/

13. 13
YouMail
Robocall Detection

14. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
www.youmail.com © 2020 YouMail, Inc
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YouMail? We Know All The Bad Calls
YouMail shows the estimated national volume of [as] 47,839,232,200 in 2018. 28. YouMail further
reports the number of calls per month, day, hour, second and per person to illustrate how pervasive
robocalls are [..] YouMail identified 5.1 billion calls placed for the month, 169.6 million calls per day,
7.1 million calls per hour, 2,000 calls per second and an average of 15.7 calls per person. 29

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3M+ 2.5M+ 3.2M+ 150K+
200K+ 100K+
100+ more
carriers w/
direct users
Call Platform as a Service
Live consumer calls to carriers. Real consumer devices.
How? YouMail Answers For America
SP/Carrier
Integrations
Billions of annual calls to over 10 million direct YouMailers
1M+
America’s top rated
call answering & protection apps
~1 trillion annual call
attempts analyzed
indirectly

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YouMail Monitors Bulk Branded Calls

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… And Brand Call Anomalies
When a consumer brand
spikes in calls
with a volume of previously
unseen content…
Is the new content legitimate?
.. or an illegal imposter?
We hope you enjoyed your recent stay
with [REDACTED]. Based on your recent
business with [REDACTED], we are
pleased to offer you an all expenses paid
week long complimentary vacation at one
of our five start resorts…
The YouMail Investigations team works in
partnership with top brands and enforcement
to monitor and mitigate campaigns.
CALL INVESTIGATION

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Content-based capture of bad actors
as they start their daily/hourly behavior
and on the first calls they are making
( .. independent of volumes, durations, DNC/DNO )
YouMail find bad actors by what’s said
This message from the Social Security Administration
is regarding an enforcement action filed by the
Department of Treasury on your social security number.
This will be recorded second avoidance of appearance
before a magistrate judge ordered jury for a criminal
offense…

19. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
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Known
Fraud
Call
Sample
Call
#1
Sample
Call
#2
Cold : the calls match!
Heat : these are NOT the same call!
Fingerprinting
algorithms perform
private comparisons
Machine learning respects privacy
A
B
C

20. © YOUMAIL, INC. CONFIDENTIAL & PROPRIETARY.
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Sensor Network
Consumer mobile numbers
answered by YouMail
Call Content + AI: the best mitigation
AI
AI This message from the Social Security Administration
is regarding an enforcement action filed by the
Department of Treasury on your social security number.
This will be recorded second avoidance of appearance
before a magistrate judge ordered jury for a criminal
offense…
Call Fingerprinting identifies bad calls typically within 1-5 minutes
AI
YouMail
Call
Platform
Zero-Hour Illegal Call Data
Enables Enforcement + Mitigation
Embeddable In Network

21. 21
Robocall Mitigation
with
ProSBC and YouMail

22. Mitigation at OSP?
Why is Robocall mitigation
required at the Originating
Service Provider?
1. Source of calling party is
likely known
a. Wireline customer/Subscriber
b. Trunking customer
c. International gateway
2. Traceback is easier
3. Enforcement
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23. OSP Use Case:
• ProSBC inserted into call route
• As calls arrive, reputation is
checked
• Based on reputation score:
• 503 – SVC Unavailable
(Route advance)
• 603 – Decline
(Drop the call)
Originating Service Provider - SIP
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Carrier
Reputation
Analytics
Soft Switch
Originating Service Provider
INVITE
503
603
Subscribers

24. Call Flow – Low Risk of Robocaller
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Subscriber Softswitch ProSBC YouMail Carrier
INVITE
INVITE
API
Good Score
503 Unavailable
(Route Advance)
INVITE

25. Call Flow – HIGH Risk of Robocaller
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Subscriber Softswitch ProSBC YouMail Carrier
INVITE
INVITE
API
Bad Score
603 Decline
(Drop the Call)

26. OSP Use Case:
• Tmedia Gateway inserted into
call route
• As calls arrive, reputation is
checked
• Based on reputation score:
• REL 34 No Circuits Available
(Good call - Route advance)
• REL 23 Call Rejected
(Bad call - Drop the call)
• ISDN is an alternative
Originating Service Provider - TDM
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Carrier
Reputation
Analytics
TDM Switch
ISUP IAM
REL-34
REL-23
Subscribers
Originating Service Provider

27. CPaaS and UCaaS Providers
27
SIP
Carrier
CPaaS or UCaaS Provider
Protecting XaaS platforms
• SBC in the cloud, integrated
with reputation analytics
• As calls arrive, reputation is
checked
• Based on reputation score:
• Calls are completed
• Dropped
• Redirected to Voicemail
Reputation
Analytics
UCaaS Subscribers

28. Enterprise Premises
28
SIP
Carrier
Reputation
Analytics
IP-PBX
Enterprise
Enterprise Customers
• SBC on premises, integrated
with reputation analytics
• As calls arrive, reputation is
checked
• Based on reputation score:
• Calls are completed
• Dropped
• Redirected to Voicemail

29. 29
Learn More

30. Further Reading
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Web Site
• Product information/Pricing
• Case studies
• www.prosbc.com
TB wiki
• Product Documentation
• Installation Instructions
• docs.telcobridges.com
TB Forums
• Community support
• Use case descriptions
• forums.freesbc.com
YouTube
• Instructional videos
• Recorded training/events
• www.youtube.com/telcobridges

31. Implementation Notes
On Tbwiki at:
https://docs.telcobridges.com/tb
wiki/ProSBC:Youmail
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32. Video Library on YouTube
• ProSBC Training Modules
• Recorded webinars
• How-to Tutorials
• Customer interviews
• Frequently Asked Questions
• Recorded podcasts
• And more…
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youtube.com/telcobridges

33. Enabling the Migration to
Cloud Communications
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www.telcobridges.com
www.prosbc.com
sales@telcobridges.com
Youtube.com/telcobridges
Q/A
YouMail.com

34. View the Full-Length Video at:
www2.telcobridges.com/videolibrary
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