全功能办公室电话,不再需要ata盒子了(像OBi之类)

来源: 2014-05-21 14:08:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读:
www.cisco.com/c/en/us/products/collaboration-endpoints/small-business-spa500-series-ip-phones/index.html