The ShoreGear-120 supports up to 120 IP phones or up to 24 analog ports - 8 universal telephone / trunk ports and 16 telephone ports. The ShoreGear-120 communicates with IP phones, soft phones and other IP endpoints using the Media Gateway Control Protocol (MGCP). The ShoreGear-120 interfaces to standard analog trunks using loop start or wink start signaling as well as to standard analog telephones including CLASS feature phones with Caller ID Name and Number and Message Waiting.