ドラミ風説の流布してるね

Zoom Phone Certified Hardware
https://support.zoom.us/hc/en-us/articles/360001299063-Zoom-Phone-certified-hardware
•Encryption
•Desk phones and gateways •AudioCodes
•Cisco
•Poly
•Yealink

•Desk phone accessories •Poly
•Yealink

•Session Border Controllers •AudioCodes
•Oracle
•Ribbon
•NextGen

•Pagers and intercom •Algo
•CyberData