A simple IP phone for smaller small business end users, the GXP1610/GXP1610P/1615 delivers a person-pleasant VoIP calling encounter within a really easy-to-use IP mobile phone. designed-in PoE 802.3af is utilized to electricity the GXP1610P or GXP1615 and give it a network relationship.  ???? ?? ???? ???? ????? ?? ?????????? ????????? ???? ??????