https://techcommunity.microsoft.com/discussions/microsoftteams/why-dont-i-see-skype-for-business-phones-in-teams/1501503
Why don't i see Skype for Business Phones in Teams | Microsoft Community Hub
We are slowly moving to the Microsoft Phone System and test out various equipment that we have.I have been able to get 2 Polycom phones on to the Skype for...
skype for business phones
https://uwaterloo.atlassian.net/wiki/spaces/CWKB/pages/1722712239/Skype+for+Business+Phones+and+Voicemail
Skype for Business, Phones, and Voicemail - Campus Wellness Knowledge Base - Confluence
skype for business phonescampus wellnessknowledge base