ESI: ESI Bluetooth Voice Integration (TeLLan One) Video

ESI develops business communications products targeted to businesses of various sizes (with an emphasis on small- and medium-sized businesses), and markets those products through a diverse Reseller organization that includes a broad cross-section of telephone interconnect companies and independent telephone companies throughout North America. ESI designs and manufactures high-efficiency, low-cost business communications products. These products have earned numerous product awards from industry publications. If you are looking for a phone system in Northern California, please check out our website at http://www.tellan1.com