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Book an OIS Interpreter


Ontario Interpreting Services at CHS provides American Sign Language (ASL)-English interpreting services across Ontario, and la langue des signes québécoise (LSQ)–French interpreting services primarily in the Ottawa and Sudbury regions, but arrangements can be made for other locations in the province.

For your convenience, all bookings are done through our centralized scheduling centre in Ottawa. Requests can be made in English, ASL, French or LSQ, by phone, TTY, e-mail, fax or Skype.

Please view OIS Terms and Conditions here

Pre-book a sign language interpreter – on-site or video remote

  • Please make your request a minimum of 3 business days in advance
  • Interpreters are available during business hours, evenings, weekends and over holidays
  • Anyone can request the service
  • Request on-site interpreting or video remote interpreting (VRI)
  • Usually deaf or hard of hearing individuals do not pay for interpreting services

Contact us:

Monday to Thursday - 8:00 a.m. to 8:00 p.m. Friday - 8:00 a.m. to 5:00 p.m.

Phone: 1-866-518-0000
TTY: 1-877-215-9530
Skype: CHS Interpreting
Fax: 1-855-259-7557

Emergency requests

In cases of a sudden, unforeseen crisis that requires immediate attention:

  • Emergency Interpreting Services may not be available at all times in all regions
  • Emergency services are offered 24 hours/day, 7 days/week, 365 days/year
  • Emergencies may occur in: hospital emergency rooms; after-hours medical clinics; crisis centres; shelters; Police services; court settings; and child welfare cases
  • Anyone can request the service


  • Phone: 1-866-518-0000
  • TTY: 1-877-215-9530
  • E-mail:
  • SMS/Text: 416-712-6637 (charges may apply)


Watch and read the Emergency Interpreting Services - Questions and Answers

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