Sidecars, also known as button boxes, expand the number of line buttons available for use with a physical phone. A Cisco Unified IP Phone Expansion Module (Cisco "Sidecar") can be used to leverage additional shared line appearances on a supported Cisco phone, which has at least six line buttons. The illuminated buttons provide display line status, making the sidecar an ideal call coverage tool. Up to two sidecars can be added to the supported phone models. When adding a sidecar to a supported phone, make sure to order a foot stand kit for the model phone being used.
The table below lists each of the supported Cisco 7900 series phone models with the supported Cisco sidecar:
| Model | Default Sidecar |
|---|
| 7940 | Sidecar not supported |
| 7941 | Sidecar not supported |
| 7942 | Sidecar not supported |
| 7945 | Sidecar not supported |
| 7960 | 7914 |
| 7961 | 7914 |
| 7962 | 7915 |
| 7965 | 7915 |
| 7970 | 7914 |
| 7971 | 7914 |
| 7975 | 7915 |
For a complete list of all supported phones and devices in the Sky phone system, including sidecar compatibility, please refer to the Supported Phones and Devices article.
To view the corresponding specs, click the Data Sheet links below. To view installation instructions, click the User Guide links.
To learn more about the two Cisco sidecars you can rent, see the following articles:
The following image shows a sidecar (Expansion Module 7914) attached to the right side of a Cisco IP phone.
The following image shows a sidecar, a power supply, and foot stand for a Cisco IP phone.
