GXP Series IP Phones – GXP1610(P)/GXP1615 Product Description GXP1610(P)/GXP16151 SIP account, 2 lines Dual-switched 10/100 Mbps ports, integrated PoE (GXP1610P/PGXP1615 only) 3-way audio conferencing See also different: Wi-Fi Cordless IP Phones – WP825 GXV IP Video Phones – GXV3480 GXP Series IP Phones – GXP2170 Unified Communications – GRP2616