Terms of Service
Last Modified April 1, 2026.
IMPORTANT — READ CAREFULLY BEFORE USING: This Terms of Service Agreement (“Agreement”) is a legal agreement between you (“You”) and Neustar Information Services, Inc. (“Neustar”) governing Your use of Neustar’s websites and services including but not limited to Kontxt Voice (“Services”) including any software, mobile applications and related documentation (“Software”).
By clicking on the “I Agree” button, checking the acceptance checkbox, installing, or otherwise using the Services, You agree to be bound by the terms of this Agreement. IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT, CLICK THE “CANCEL” BUTTON AND DO NOT INSTALL OR OTHERWISE USE THE SERVICES. You also affirm that You are at least 18 years of age or an emancipated minor, or possess parental or guardian consent, and are fully able and competent to understand and assent to this Agreement. In any event You affirm that You are over the age established by the law of your country requiring the consent of a parent or guardian to collect personal information. If You are under such age, You may not use the Services.
Neustar and You agree that this Agreement is governed by the laws of Illinois State . Further, You agree that the Services are deemed to be based in Illinois State and that the Services’ websites shall be deemed passive websites that do not give rise to personal jurisdiction over Neustar in jurisdictions other than Illinois State.
NEUSTAR’S USE OF THE PERSONAL AND NON-PERSONAL INFORMATION YOU PROVIDE TO NEUSTAR AND OF THE USAGE DATA IT COLLECTS ARE GOVERNED BY THE NEUSTAR PRIVACY POLICY LOCATED AT https://www.transunion.com/privacy/kontxt.
1. USE OF SERVICES.
1.1 License. Neustar grants You a non-exclusive, non-sublicensable, non-transferable, limited license to access and use the Services provided that You comply with this Agreement and all applicable laws and regulations. You grant Neustar a non-exclusive, worldwide, royalty-free, sub-licensable and transferrable license to enable the robocall blocking and call screening service on Your device for the limited purpose of providing, delivering and improving the Service or developing new services.
1.2 Separate Charges. Your use of the Services may require a computer or a device with internet access. You are responsible for paying any and all charges associated with such access.
1.3 Access to Devices and Third-Party Services. You hereby authorize Neustar to access those computers and devices that You select for the purpose of providing the Services to You and in order to carry out the instructions and settings selected by You. You also hereby authorize Neustar to access any third-party accounts that You select in order to carry out the instructions and settings selected by You.
1.4 Paid Services. Depending on the level of service You select, Your use of the Service may require the payment of a fee. Your use of any fee-based versions of the Services shall be governed by any payment or subscription terms presented at the time of purchase in addition to the terms of this Agreement.
2. LICENSE TO YOUR FEEDBACK.
You are not required to provide Neustar with any ideas, comments, suggestions or other feedback (“Feedback”) regarding the Services. However, if You provide Neustar Feedback, You agree that it is done so voluntarily. You also hereby grant Neustar a fully paid, perpetual, irrevocable, royalty-free, worldwide, sub-licensable and transferrable license to use your Feedback for any purpose including the purposes of developing and improving Neustar’s products, services and marketing, and to reproduce, publicly display, distribute, modify and perform the Feedback.
3. SOFTWARE LICENSE.
If we provide Software to You as part the Services, then we grant You a non-exclusive license to install and use the Software subject to the terms and conditions of this Agreement, including but not limited to the limitations set forth in Section 4.
4. YOUR CONDUCT.
You must not misuse the Services. For example, You must not:
- Use the Services to engage in behavior that violates anyone’s intellectual property rights including copyright, moral rights, trademark, trade dress, patent, trade secret, right of privacy, right of publicity or any other proprietary right;
- Use the Services in a way that is unlawful, harmful, threatening, abusive, tortious, defamatory, libelous, vulgar, lewd, obscene, profane, invasive of another’s privacy, or hateful;
- Violate any applicable law;
- Copy, modify, translate, host, sublicense, lease, transfer, resell, reverse engineer, decompile, disassemble, or create derivative works of the Services;
- Use the Services for commercial, non-personal, purposes such as to store, transfer or distribute content on behalf of third parties, or to operate a commercial application or storage service;
- Access or attempt to access the Services by any means other than the interface that Neustar has provided or authorized;
- Circumvent any access or use restrictions put in place to prevent certain uses of the Services;
- Abuse the Services or otherwise attempt to disable, impair or destroy the Services;
- Impersonate any person or entity or falsely state Your affiliation with any person or entity or allow others to use the Services using Your account information;
- Remove any proprietary notices; nor
- Use the Services in an attempt to circumvent technological measures employed to control access to, or the rights in, a content file, or other work protected by the copyright laws of any jurisdiction.
Any such forbidden use shall immediately terminate Your licenses. Additionally, Neustar has a zero-tolerance policy against child exploitation. If Neustar becomes aware of any such content, we will report it to the appropriate authorities.
5. TERMINATION.
You may terminate the use of our Services at any time by uninstalling the Software. Neustar may (i) change the terms of this Agreement, (ii) change the features of the Service, including eliminating or discontinuing any content or features, or limiting the amount of use permitted, or terminate the Services at any time by posting notice of such modification on a page of the Service before the modification takes effect. Changes will take effect immediately, or as specified in the notice. If you use the Service after Neustar has notified you of any change, you agree to be bound by all the changes. Additionally, Your rights to access these Services will terminate automatically without notice from Neustar if You fail to comply with this Agreement. Upon termination of access for any reason, You shall cease all use of the Services and destroy all copies, full or partial, of the Software.
6. TITLE.
Title, ownership, rights, and intellectual property rights in and to the Services shall remain with Neustar. The Services are protected by the copyright laws of the United States and international copyright treaties.
7. APP STORE.
PURCHASE OF SOFTWARE THROUGH AN APP STORE IS ALSO GOVERNED BY THE TERMS OF SERVICE OF THAT APP STORE. NEUSAR HAS NO RESPONSIBILITY FOR AND WILL NOT BE LIABLE FOR ANY MATTER OR DISPUTE RELATED TO AN APP STORE TRANSACTION.
8. NO WARRANTY.
YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT USE OF THE SERVICES IS AT YOUR SOLE RISK AND THAT THE ENTIRE RISK AS TO SATISFACTORY QUALITY, PERFORMANCE, ACCURACY AND EFFORT IS WITH YOU. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE SERVICES ARE PROVIDED “AS IS” AND “AS AVAILABLE”, WITH ALL FAULTS AND WITHOUT WARRANTY OF ANY KIND. NEUSTAR HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS WITH RESPECT TO THE PERFORMANCE OF THE SERVICES, EITHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES AND/OR CONDITIONS OF MERCHANTABILITY, OF SATISFACTORY QUALITY, OF FITNESS FOR A PARTICULAR PURPOSE, OF ACCURACY, OF QUIET ENJOYMENT, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS. NEUSTAR DOES NOT WARRANT AGAINST INTERFERENCE WITH YOUR ENJOYMENT OF SERVICES OR SOFTWARE, THAT THE FUNCTIONS CONTAINED IN, PERFORMED OR PROVIDED BY, THE SERVICES OR SOFTWARE WILL MEET YOUR REQUIREMENTS, THAT THE OPERATION OF THE SERVICES SOFTWARE WILL BE UNINTERRUPTED OR ERROR-FREE, OR THAT DEFECTS IN THE SERVICES OR SOFTWARE WILL BE CORRECTED. NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVEN BY NEUSTAR OR ITS AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR LIMITATIONS ON APPLICABLE STATUTORY RIGHTS OF A CONSUMER, SO THE ABOVE EXCLUSIONS AND LIMITATIONS MAY NOT APPLY TO YOU.
9. LIMITATION OF LIABILITY.
TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT SHALL NEUSTAR BE LIABLE FOR PERSONAL INJURY, OR ANY INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHATSOEVER, INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, LOSS OF DATA, BUSINESS INTERRUPTION OR ANY OTHER COMMERCIAL DAMAGES OR LOSSES, ARISING OUT OF OR RELATED TO YOUR USE OR INABILITY TO USE THE SERVICES OR SOFTWARE, HOWEVER CAUSED, REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT, TORT OR OTHERWISE) AND EVEN IF NEUSTAR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME JURISDICTIONS DO NOT ALLOW THE LIMITATION OF LIABILITY FOR PERSONAL INJURY, OR OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THIS LIMITATION MAY NOT APPLY TO YOU. In no event shall Neustar’s total liability to You for all damages (other than as may be required by applicable law in cases involving personal injury) exceed the amount of fifty dollars ($50.00). The foregoing limitations will apply even if the above stated remedy fails of its essential purpose.
10. INDEMNIFICATION.
T You agree to hold harmless, indemnify and defend Neustar, its officers, directors, agents, affiliates and employees, from and against any losses, damages, fines, royalties, licensing fees and/or expenses (including attorneys’ fees and costs) arising out of or relating to any claims that You have violated any terms of this Agreement.
11. NO ASSIGNMENT.
This Agreement is personal to You, and may not be assigned without Neustar’s express written consent.
12. EXPORT AND COMPLIANCE WITH LAWS.
You may not use or otherwise export or re-export Neustar Services except as authorized by United States law and the laws of the jurisdiction in which Neustar Services was obtained. In particular, but without limitation, Neustar Services may not be exported or re-exported (a) into any U.S. embargoed countries or (b) to anyone on the U.S. Treasury Department’s list of Specially Designated Nationals or the U.S. Department of Commerce Denied Person’s List or Entity List. You represent and warrant that You are not located in any such country or on any such list. You also agree that You will not use Neustar Services for any purposes prohibited by United States law.
13. U.S. GOVERNMENT END USERS.
Neustar Services and related documentation are “Commercial Items,” as that term is defined at 48 C.F.R. §2.101, consisting of “Commercial Computer Software” and “Commercial Computer Software Documentation,” as such terms are used in 48 C.F.R. §12.212 or 48 C.F.R. §227.7202, as applicable. Consistent with 48 C.F.R. §12.212 or 48 C.F.R. §227.7202-1 through 227.7202-4, as applicable, the Commercial Computer Software and Commercial Computer Software Documentation are being licensed to U.S. Government end users (a) only as Commercial Items and (b) with only those rights as are granted to all other end users pursuant to the terms and conditions herein.
14. NOTIFICATION OF COPYRIGHT INFRINGEMENT.
14.1 DMCA. Neustar respects the intellectual property rights of others and expects its users to do the same. In accordance with the Digital Millennium Copyright Act of 1998, the text of which may be found on the U.S. Copyright Office website at http://www.copyright.gov/legislation/dmca.pdf, Neustar will respond promptly to notices of copyright infringement provided such notices are submitted in accordance with this section.
14.2 Take-Down Notice. If you are a copyright owner or authorized to act on behalf of one, and you believed your work is being infringed in connection with the Services, please provide a written Notice of Alleged Infringement (“Notice”), containing the elements listed below, via regular mail or fax (not by email or phone) to Neustar’s designated Copyright Agent.
By Mail:
Neustar
Attn: Legal SVP, Litigation and Enforcement
555 W. Adams
Chicago, IL 60661
14.3 Elements of Notice
(a) Identify the copyrighted work that you claim has been infringed, or if multiple copyrighted works are covered by the Notice – you may provide a representative list of the copyrighted works that you claim have been infringed;
(b) The URL of the link shown on the website or the exact location where such material may be found;
(c) Your full legal name, company affiliation (if applicable), mailing address, telephone number, and, if available, email address;
(d) Include a statement that you have a good faith belief that the disputed use of the copyrighted material is not authorized by the copyright owner, its agent, or the law;
(e) Include a statement that the information in this Notice is accurate and, under penalty of perjury, that you are the owner, or authorized to act on behalf of the owner of an exclusive right that is allegedly infringed; and
(f) Your physical or electronic signature.
14.4 Counter-Notice. If you believe Neustar disabled or removed access to your work as the result of an improper claim of infringement, please provide, pursuant to the DMCA, written notification via regular mail or fax (not by email or phone), to our Copyright Agent at the contact information above, that contains the following elements:
(a) Identify the material that was removed from the Services and the location within the Services where it appeared before it was removed;
(b) Include a statement, under penalty of perjury, that you have a good faith belief that the content was removed or disabled as a result of mistake or misidentification of the content to be removed or disabled;
(c) Provide your name, company affiliation (if applicable), mailing address, telephone number, and, if available, email address;
(d) A statement that you consent to jurisdiction of the Federal District Court for the district where you reside (or of Seattle, Washington if you reside outside of the United States) and that you will accept service of process from the person who provided the Notice under the DMCA; and
(e) Your physical or electronic signature.
15. MISCELLANEOUS.
This Agreement shall constitute the complete and exclusive agreement between You and Neustar related to the Services. Neustar may modify this Agreement at any time and for any reason by posting new terms and conditions to this site or application. You should look at the terms regularly and the “Last Updated” date at the beginning of these terms. If you do not agree to the modified terms for the site, you should discontinue your use of the Services. This Agreement may not be modified by You except in a writing duly signed by You and an authorized representative of Neustar. If any provision of this Agreement is held to be unenforceable for any reason, such provision shall be severable only to the extent necessary to make it enforceable and such decision shall not affect the enforceability of such provision under other circumstances, or of the remaining provisions hereof under all circumstances. This Agreement will not be governed by the United Nations Convention of Contracts for the International Sale of Goods, the application of which is hereby expressly excluded.
