Support Services

For Emergency Support Call 630-616-4200

Need Support?

Offices in Illinois, Arizona, Florida, Tennessee & Wisconsin


OPTION 1: Directly Submit Ticket to TIG Support:

Submit service requests BY PHONE or BY EMAIL to the Help Desk. Support Tickets are assigned to a Certified Technician who will keep you apprised until ticket resolution.

Service Hours

Normal Service Requests: The Technical Assistance Center is staffed from 8:00AM to 5:00PM Monday to Friday.

After Hours Service (Emergencies Only): Technicians are available 24x7 including holidays. For after-hours support call the service number +1 630.616.4200 then follow voice prompts to reach on-call support.

Contact Points

TAC Main Number: (630) 616-4200 Fax Number: 630.350.0711 Service E-Mail: Sales Inquires:

Manual Submission

  1. Your Name
  2. Company Name
  3. Your Phone Number AND/OR Email Address
    • If your system is down leave an alternative number such as cell phone
  4. Description of the Add, Change, Move or Issue (including end-point affected)
  5. Date and Time when the issue may have started

For Self-Service guidance refer to Mitel's Interactive Phone and Application Training Videos to learn common administrative steps.

Please NOTE: This is not an emergency contact form.

Protect Your Investment With TIG's Customized Maintenance Plans!

Today’s technology requires all systems to stay current with the latest manufacturer software loads. All of our manufacturers offer software assurance programs which when coupled with our TIG Maintenance Agreements, provide the ultimate system protection. Our technicians are always available to support your team, contact TIG today to learn more.

One size does not fit all, every organization is unique. TIG offers customized maintenance plans to clients. Our committment to high level service allows us to keep exceptional service guarantees.

Contact TIG's sales team to learn more about our service and support options:

Reliable, secure and intuitive voice & data systems are necessary for productive day to day operations.

  • Time & Material Service - Do It Your Way
  • Upgrades - Why Are Upgrades So Important?
  • Upgrades To Discontinued Systems
  • Professional Services
  • Consulting Services
  • Content Filtering
  • Email Filtering
  • Cloud Backup

A few of the most popular service contracts:

  • Service Level Agreements (Tailored Maintenance Plans)
  • Upgrades
  • Guaranteed Parts Availability
  • Remote Support
  • Reduced On-Site Labor Rates
  • Priority Queuing
  • Multi-year Discounts
  • 24x7 On Call Service Technicians

Contact Us

P: +1 630.350.0700
F: +1 630.350.0711

125 North Prospect Avenue
Itasca, IL 60143