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Resources on STIR/SHAKEN
Learn everything you need to know about the FCC's Call Authentication Framework
Verified Identity by Numeracle

Caller ID Authentication

STIR/SHAKEN Affects Your Business

Why it was Mandated

To support the industry-wide initiative to cut down on the number of fraudulent calls, STIR/SHAKEN aims to provide verification of the identity of originating party into the network, operationally across all carriers, to reduce illegally spoofed calls and assist the Industry Traceback Group in the prosecution of bad actors.

How it Affects You

According to the FCC, calls from voice service providers who have either not implemented the STIR/SHAKEN framework or have not filed in the Robocall Mitigation Database will have their domestic voice traffic blocked.

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Enterprise STIR/SHAKEN Gif

[A] Full Attestation

source of call + Right to use caller id info
Attestation A

[B] Partial Attestation

source of call + No Right to use caller id info
Attestation B

[C] Gateway Attestation

No known source of call + No Right to use caller id info
Attestation C
iOS Call log screenshot
Robocall Mitigation Database graphic
Who Implements STIR/SHAKEN?

The Robocall Mitigation Database

The FCC created the Robocall Mitigation Database to enforce TRACED Act requirements mandating the implementation of a caller ID authentication framework at the network-level.
All voice service providers (VSPs) are required t file
Robocall Mitigation plans must include detailed information on their implementation of STIR/SHAKEN and/or Robocall Mitigation Plan
How rigorous a policy is defined and implemented (or isn't) may impact the reputation of the VSP
VSPs who have not filed in the Database risk the blocking of their call traffic until they file
Call Authentication Display

STIR/SHAKEN Verified Calls

Enterprise, BPO, & Call Center

As a calling enterprise, deploying STIR/SHAKEN on your behalf was the responsibility of your outbound voice service provider.
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Voice Service Providers

For service providers, ensuring your calls will be delivered as verified is a function of putting in place a Know Your Customer-based methodology to identify every entity originating calls on the network.

This spans needing to understand their clients’ deeper client network and any intermediary who the service provider is directly/indirectly delivering calls on or on behalf of, from the calls’ origination to the calls’ termination.
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STIR/SHAKEN graphic - caller identity


Numeracle at the forefront of Telecom Regulation, Standards, & Solutions

Comcast, Everbridge, NetNumber, Numeracle, and Twilio demonstrated the first-ever telephone call with authenticated caller ID and rich call data, powered by the STIR/SHAKEN framework and protocols.
Using RCD PASSporT technology, this marked a milestone in protecting consumers from fraudulent robocalls and building greater trust and transparency for phone users.
Proof of Concept including Numeracle, NetNumber, Comcast, Twilio and Everbridge to present RCD data for branded calling solutions

We've Got You Covered

How Numeracle Solutions Help With STIR/SHAKEN

An Advocate for Enterprise Callers

To ensure the voice of the enterprise is represented as an integral part of STIR/SHAKEN, we serve on the IP-NNI Task Force (group co-authoring SHAKEN) and Chair the PACE Communication Protection Coalition.

ChampionING Legal Callers & Calls

Numeracle was the first to respond to ecosystem needs, calling for better mechanisms and technologies to protect and elevate legal call originators. We've been here since day 1 and we'll be here until it's solved.

Industry SERVICE 

One of our primary goals is to help update and educate you, your team, and your clients. We have extensive resources available, but if you have further questions or would like assistance in educating about STIR/SHAKEN let us know.

Navigating Complexities

More often than not, there are many 'layers' between an enterprise caller and the originating service provider responsible for generating call traffic on your behalf (i.e. dialing and CX platforms, multiple BPOs, outsourced call center partners, telephony vendors, etc.).

Bridging The Gap

Call authentication through STIR/SHAKEN is all about validating the identity of a caller by connecting the dots between an enterprise, its call center vendors, and its originating carriers. You can start this process now by becoming a Numeracle Verified Identity™.

Protecting Identity

With so many 'layers,' it can be hard to prove who has authorization to originate traffic on your behalf when it matters most. We believe you (the enterprise) is in the best position to know who has the authorization to use any specific telephone numbers when making calls.

Blog Posts & Resources

Jun 10, 2021
8 min read

Will my calls be blocked on July 1?

With the June 30th, 2021 STIR/SHAKEN deadline right around the corner, here are all the facts you need to know to be prepared.
Read More
Jun 23, 2021
9 min read

Robocall Mitigation Plans: The Last Mile

With one week to go, we're reviewing who's filed a certified Robocall Mitigation Plan with the FCC and how these plans support STIR/SHAKEN.
Read More
Sep 21, 2021
4 min read

Numeracle’s STIR/SHAKEN Implementation Report

Data & Trends from the Robocall Mitigation Database
Read More

Frequently Asked Questions


Broken up by category, download the full guide to access all the FAQ's. Here's a short sample to get you started.
STIR/SHAKEN FAQ Guide Title Page
Download Guide

My carrier completed STIR/SHAKEN. Why are my calls still labeled?

External to the STIR/SHAKEN call authentication framework are 3rd party algorithms deployed at the wireless carrier level which are known as call reputation analytics. These analytics have been deployed across mobile networks since late 2017 and are responsible for calls labeled as “Potential Spam,” “Spam,” “Scam,” “Scam Likely,” “Fraud Alert,” etc.

These technologies will continue to be deployed in parallel with STIR/SHAKEN, so if you’re hearing reports from your agents that your calls are ringing through as a “Spam” or equivalent, this is due to reputational analytics, not STIR/SHAKEN.

Numeracle can help clean up your number reputation and addressing phone numbers labeled as 'Scam' or 'Spam'.

Will STIR/SHAKEN stop all robocalls?

While STIR/SHAKEN will help identify harmful robocalls, it will not completely eliminate all illegal robocalls for good. It's important to note that not all robocalls are bad. Many legitimate companies communicate all sorts of information via 'robocalls’ especially automated communications such as appointment reminders, delivery notifications, school closures, etc.

While the STIR/SHAKEN framework allows authentication of call originators and their numbers, it is not a silver bullet solution and it cannot determine the illegitimacy or legitimacy of the intent of an incoming call. It can validate that an incoming call is originating from a real phone number, which is not being 'made up' or stolen from a legitimate business, organization, or consumer.

The STIR/SHAKEN framework does not have the ability to weigh in on whether or not the content of the call itself is potentially malicious or unwanted, making call blocking and labeling analytics are still relevant despite the framework.

What does "calls with a checkmark have been verified by the carrier" mean?

Calls that display a checkmark at the time of call or in the call history log represent the establishment of the caller as a legal and verified calling party confirmed via STIR/SHAKEN. The identity of the caller has been vetted and validated and you can trust that the caller is who they say they are and the number hasn't been illegally spoofed.

Will Numeracle's Platform take care of STIR/SHAKEN for me?

While the Platform itself does not ‘attest’ or ‘sign’ calls, it can be used by service and platform providers to implement a local policy solution to manage the verification of calling identity and the authorization of phone numbers in order to elevate an enterprise brand into the STIR/SHAKEN framework.

How does Numeracle price their services?

Pricing for Identify Verification and Number Reputation starts with us gaining an understanding into your calling structure. How many entities/brands do you represent, how many numbers do you use, etc.

To learn more about pricing for branded calling capabilities, reach out to start a conversation!
It starts with an insight
Ready to take control of how your identity is presented to consumers? 
Are you curious about how your calls are being labeled? Maybe you know you have a problem and don't know where to start?

Contact us today and take the first step towards high quality and trusted connections.