ETC is capable of building a variety of 4-wire audio systems that can be Private Labeled. ETC has extensive knowledge in analog audio electronics and is able to manufacture a diverse array of communications products to suit customer requests in a short time frame. ETC provides prototypes and finished goods for custom applications.  Moreover, ETC is willing to take their "off-the-shelf" products and private Label them for 3rd party use. 

For a Case Study Where ETC Developed a Product to Support a Redundancy Solution Backing up a VoIP Network, Please Click Here

For a Case Study on a Custom OEM Gateway Product, Please Click Here