NetVanta 7100 Administrator’s Guide Modifying Existing Phones61200796L1-31A Copyright © 2007 ADTRAN, Inc. 37buttons varies from model to model. If there are extra buttons available after all line keys have beenmapped, you can add other speed-dial type entries below them by typing in the first available row's Labeland Contact fields. Once you enter values, the next row will become available for data entry.1. Navigate to the Voice > Stations > IP Phone Configs screen.2. From the Phone Configurations tab, select the MAC address associated with the existing user.3. Select the Button Map tab.Figure 20. Button Map Tab Menu4. The Main Phone Buttons section displays already configured line keys as well as available slotsfor new line keys. Type a new label and the extension to add a line.5. The Other Directory Entries section displays the current directory listings. Adding a new entry isaccomplished by selecting the Click to add a directory entry link at the bottom of the screen andtyping the new entry in the blank field provided. See Figure 23 on page 38 for an example ofdefined buttons as they appear on the phone.Display Status Group (Busy Lamp Field)Status Groups are used to monitor the current status of users or park zones. A common example of thisfunctionality is a Busy Lamp Field button indicating a user’s busy extension. The Display Status Groupsdrop down menu must have a predefined status group name selected in order to display the Busy LampField Users/Park Zones. Refer to Setting Up Status Groups on page 73 for more information.Customizing the Expansion Module ButtonsThe expansion module is only available with the ADTRAN/Polycom SoundPoint IP 601. You can createadditional speed dial entries by installing multiple expansion modules (up to a maximum of threemodules).Select the nextavailable field to entera new line key.Select the link to add anew entry to thedirectory.