The Grandstream UCM6104 IP PBX is designed to bring voice, video, data and mobility features typically found only in enterprise-grade systems to small and medium-sized businesses (SMBs).
GSM dialer stand-alone version, 5 alarm inputs/outputs, 8 telephone numbers for voice calls, SMS and control programmable, security service connection possible (Contact ID), remote control via call and voice menu or SMS messages, Listen-In (listen and speak into the object), 3 display LEDs, GSM antenna: 2.5m long
