an easy IP telephone for compact business end users, the GXP1610/GXP1610P/1615 provides a consumer-helpful VoIP calling working experience in a very surprisingly easy-to-use IP cellular phone. created-in PoE 802.3af is utilized to power the GXP1610P or GXP1615 and give it a network relationship.  ???? ?? ???? ???? ????? ?? ?????????? ????????? ??