... g), 1*SIM slot ,PPPoE/ADSL,NAT ,VOIP Ethernet Interface:1-2 *10/100Base-T;Calling ... silence restrain and comfort noise generation.Agility AccessSupport IP special telephone line, ADSL LAN Cable Modem;HIP1860 ... , Volume adjusting, Ringing tone selection, Call ID, Phone book, Missing incoming call, Incoming call, Outing call ... of customer purview. HIP1860(3) IP Phone SIP PHONE connect with Voip gateway