If you're having difficulty connecting participating in a Microsoft Teams meeting with Connectis ...
you might want to directly reach
Jazz Sheikh at firstname.lastname@example.org or 647-749-4897
Alan Nusbaum directly at 647-749-4896
For Teams one to one or conference call, any phone will work including cell or desk phone or through your computer assuming you've got speakers and a microphone.
If you're joining a Teams online meeting with screen sharing, click the provided link, you may be prompted for the meeting number.