SwyxPhone Extension Modules
SwyxPhone Extension Modules are convenient extensions for the SwyxPhones L615, L640, L660 and L680.
Depending on the model these extensions offer 12, 18 up to 24 additional function keys / speed dials and match to the respective SwyxPhones. Users can plug up to two extension to the right side of their SwyxPhones. What is very handy is the status signalling: LEDs with the speed dials show, which coworkers in your company are available and who talks at any given moment.

- SwyxPhone Extension Module with 12 selflabelling keys. (Example T680 for the SwyxPhone L680, silver colour)
Extension Modules Overview
| T615 | T640 SLK | T660 SLK | T680 SLK | |
| Available for models | L615 | L640 | L660 | L680 |
| Number of keys (with LEDs) |
18 | 12 | 12 | 12 |
| Selflabelling keys | No | Yes | Yes | Yes |
| Background lighting | No | Yes | Yes | Yes |
| Available colours | Iceblue (white) Lava (black) |
Iceblue (white) Lava (black) |
Iceblue Lava |
Silver |
Please notice differing PoE (Power over Ethernet) requirements for special configurations:
- While using SwyxPhone L640 with two extension modules you will need Power Class 3.
- A separate power supply is needed to use SwyxPhone L640g, L660g or L680g with two extension modules.