The second generation Ooma Telo Base Station is compatible with all Ooma add-on devices, while the first generation Telo Base Station is only compatible with select add-on devices. This article contains instructions to help you determine which generation of Telo Base Station you have and to help you make sure your add-on peripherals can be installed properly.

  1. How can I tell which generation of the Ooma Telo Base Station I have?
  2. Which Ooma add-ons are compatible with each generation of Telo Base Station?
  3. How can I change which add-ons my second generation Telo Base Station can pair with?

How can I tell which generation of the Ooma Telo Base Station I have?

You can determine which generation of the Ooma Telo Base Station you have by checking the activation code on the bottom of the device:

activation code

If your activation code begins with a 2 or higher, you have the second generation Telo Base Station. If your activation code begins with a 0 or a 1, you have a first generation Telo Base Station. In this case, you may wish to contact our Customer Care Team to begin the process of upgrading your Telo Base Station to a newer model.

Which Ooma add-ons are compatible with each generation of Telo Base Station?

The chart below outlines which add-ons are compatible with each generation of the Telo Base Station.

First Gen. Telo Base Station Second Gen. Telo Base Station

Ooma Telo Base Station Handset
Yes Yes*

Ooma HD2 Handset
Yes Yes

Ooma HD3 Handset
Yes Yes

Ooma Linx
Yes Yes

Ooma DP1 desk phone
No Yes

Ooma Safety Phone
Yes Yes

Ooma Home Security Door and Window Sensor**
Yes Yes

Ooma Home Security Water Sensor**
Yes Yes

Ooma Home Security Motion Sensor**
Yes Yes

Ooma Home Security Garage Door Sensor**
Yes Yes

*Both generations of Telo Base Station can either pair with Ooma Telo Base Station Handsets or with all other compatible Ooma add-on devices.
**The first generation Telo Base Station can support up to three compatible Ooma Home Security sensors. The second generation Telo Base Station can support up to 30 Ooma Home Security sensors.

How can I change which add-ons my second generation Telo Base Station can pair with?

The type of add-on you synced with your Telo Base Station first will determine which group of devices your Telo Base Station is currently set up to use. You can update that preference by following the instructions in this article.