a straightforward IP telephone for small organization end users, the GXP1610/GXP1610P/1615 delivers a user-welcoming VoIP calling practical experience inside of a really easy-to-use IP telephone. constructed-in PoE 802.3af is utilized to electric power the GXP1610P or GXP1615 and give it a network link.  ???? ?? ???? ???? ????? ?? ?????????? ????