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Telephones
System Telephones
This guide refers to AT&T telephones specifically designed to work with the system as system phones. These include the
System phones have several buttons in common: volume control buttons, and the [ Feature ], [ Conf ], [ Transfer ], and [ Hold ] buttons. In addition, each phone has programmable buttons that can be used for outside lines, extension numbers, outside phone numbers, or system features. Outside lines, as well as some system features, require buttons with status lights. Programmable buttons without lines assigned to them can be programmed with numbers or features, so you can use the feature or dial the number with one touch. The number in each model name indicates the number of programmable buttons with status lights plus two [ Intercom ] buttons.
If the system phone has a display, indicated by a “D” in the model name, users receive messages and prompts when making calls and programming. (More information about the display is provided in Chapter 5.) A system display phone is required for system programming. It must be as large as the largest phone in the system, since an
Table
Table 1-1. System Phones
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Total Number of | 32 | 16 | 16 | 16 | 4 | 4 | |
Programmable Buttons | |||||||
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Line Capacity (Number of |
| 16 | 10 | 10 | 4 | 4 | |
Programmable Buttons with | 24* | ||||||
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Status Lights) |
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Intercom Buttons | 2 | 2 | 2 | 2 | 2 | 2 | |
Display | ✔ | ✔ | ✔ | — | — | — | |
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Speaker | ✔ | ✔ | ✔ | ✔ | ✔ | — | |
Microphone | ✔ | ✔ | ✔ | ✔ | — | — |
✶The
Overview