Our ESI system has patented technology that controls access to your building. It also provides voice communications to the doors, so you can speak with the person at the door and if desired open the door for them from the phone. 35% less than a similar keyless door entry system with all the extra benefits…..contact us today to see this truly unique solution and to a live demo…..darcyk@glessner.net
SIP (Session Initiation Protocol) communications is surging in popularity. Today’s businesses are quickly migrating to next generation IP environments and embracing SIP trunking as the logical network communications protocol to effectively transmit voice and data traffic outside the enterprise. Momentum Telecom’s SIP trunks replace your traditional, fixed public switch telephone network lines, enabling your phone system to make and receive calls via the Internet for a significant savings as well as scaling to meet your Read more…
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