Yealink SIP-T21 E2 Administrator's Guide

Setting Up Your System
141
Files/Resource Files on page 142.
If you want to delete resource files from a phone at a later date - for example, if you are giving
the phone to a new user - you can reset the IP phone to factory configuration settings. For
more information, refer to Resetting Issues on page 995.

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English