![](/images/new-backgrounds/1210674/2106747x1.webp)
Introduction
This guide lists all of the features available to you from AT&T System 25 through the cordless telephone and provides basic instructions on how to use your cordless telephone to program those features. For a full description of these features, and step-
Your cordless telephone is ready to use as soon as it is connected to the System 25. You can still make and receive calls while you are learning to use the System 25 features.
NOTE: To ensure optimal operation of your cordless phone, you should make certain that the environmental guides specified for this set have been met.
1