Product Support
Welcome to Product Support. Enter your model number to retrieve manuals, frequently asked questions (FAQs), troubleshooting tips, and additional resources.
Need help finding your model number? Take a look here.
How To Find Your Model Number
Turn over the base of your product to locate the model number as illustrated in the image below.
ErisBusinessSystem® Accessory Cordless Handset
UP407
Requires a Main Console (UP416) or Extension Deskset (UP406) to operate. (Each main console and extension deskset can support only 1 cordless handset (UP407).)