Hard Phones¶ We have the following Guides available now: Avaya¶ 96xx Series Cisco¶ SPA 504G/514G SPA 508G SPA 512G SPA 525G/G2 Obihai¶ OBi 202 Adapter Polycom¶ VVX-4xx/-5xx Series Yealink¶ T4x Series This is by no means an exhaustive list... you can help us by contributing a Guide where one doesn't already exist. Last updated 2025-07-14 by Dave M7TLB