For Mac OS users, there is a system setting that may not allow you to tab onto several types of elements in a web page. To change this setting:
Mitel (formerly Shoretel) is the district-wide phone system and software. We use both IP420 (smaller) and IP480 (larger) phone models. The links below are a great resource on how to get the most out of the features.
Mitel Phones Training Video
Mitel Connect Client Quick Reference
IP420 Phone Reference
IP480 Phone Reference