ISI Telecommunication Phone Numbers and Emails

Toll-Free Number:

  • (800) 326-6183
    US-based Users

Customer Service:

  • (847) 995-0002
  • (847) 592-3250

Sales/ Reservations:

  • (847) 706-5070

ISI Telecommunication Emails:

Customer Service
Privacy Inquiries

ISI Telecommunication Contact Information

ISI Telecommunication Website:

ISI Telecommunication Help Center:

Corporate Office Address:

ISI Telemanagement Solutions, LLC
230 W. Monroe St., Suite 925
Chicago, Illinois 60606
United States


+1(847) 995-0003


ISI Telecommunication Terms of Service
ACCESS AND USE OF THIS SITE ("ISI SITE") IS PROVIDED SUBJECT TO THE TERMS AND CONDITIONS CONTAINED HEREIN. PLEASE READ THESE TERMS CAREFULLY AS USE OF THE ISI SITE CONSTITUTES ACCEPTANCE OF THESE TERMS AND CONDITIONS. The information, art work, graphics, text, pictures, logos, software, files and other content, as well as the selection and arrangement thereof, contained on the ISI Site (collectively, "Content") are the sole property of and proprietary to ISI (or its licensor), including all applicable rights to patents, copyrights, trademarks, service marks and trade secrets inherent therein and appurtenant thereto (collectively, "Intellectual Property Rights"). The Content may be used solely for personal, noncommercial, and informational purposes. The Content may not be modified in any way.
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ISI Telecommunication Privacy Policy
ISI Telemanagement Solutions, LLC (ISI) respects The User's privacy. It describes the ways in which The Customer's personal information is collected and used, and the rights and options available to The User with respect to such information. If The Client have questions regarding this Privacy Policy and/or Company's privacy practices in general, please contact The Company as described in this Privacy Policy. ISI complies with the EU-U.S. Privacy Shield Framework as set forth by the U.S. Department of Commerce regarding the collection, use, retention of personal data transferred from European Union member countries to the United States. ISI has certified to the Department of Commerce that it adheres to the Privacy Shield Principles of notice, choice, onward transfer, security, data integrity, access, and enforcement. If there is any conflict between the terms in this Privacy Policy and the Privacy Shield Principles, the Privacy Shield Principles shall govern.
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ISI Telecommunication offers business owners effective instruments that help them manage and cut their telecom expenses, that finally can improve company's productivity and increase its profit significantly. ISI Telecommunication has designed special software and services to control telecommunications costs. This task becomes more and more difficult last time because of overwhelming choices, complex technologies and numerous vendor support problems. Some clients are really surprised at what ISI Telecommunication's specialists find on their phone bills. Many of them end saving up to 35% on their Telecom spends after tracking their usage and bills back, locating billing errors and receiving credits from their vendors or negotiating their Telecom contracts.

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