Ooma Office is compatible with many devices. There are many factors to consider when deciding which one to use. Individuals will have different preferences and needs when it comes to their office telephone setups, so it is important to choose carefully. To accommodate varying office layouts and many different individual usage-styles, Ooma Office allows you to choose between multiple options.
The chart below outlines the differences between the location and setup requirements for each Ooma device:
| Analog Phone (Grandstream ATA) | Analog Phone (Base Station) | DP1 desk phone | Analog Phone (Linx) | IP Phone | External Device | Mobile App | |
| Type of setup | Wired | Wired | Wireless | Wireless | Wired | N/A | N/A |
| Connection type | Analog | Analog | Analog | Analog | Ethernet | N/A | N/A |
| Power type | Electric outlet | Electric outlet | Electric outlet | Electric outlet | Electric outlet or power over Ethernet | N/A | N/A |
In addition to physical setup considerations, it is also important to consider the preferences and needs of the person who will be using the device. The chart below compares the different devices in common usage situations:
| Analog Phone (Grandstream ATA) | Analog Phone (Base Station) | DP1 desk phone | Analog Phone (Linx) | IP Phone | External Device | Mobile App | |
| Answer incoming calls | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Make outgoing calls | Yes | Yes | Yes | Yes | Yes | No | Yes |
| Transfer calls | Yes | Yes | Yes | Yes | Yes | No | Yes |
| Heavy call volume | No | No | Yes | No | Yes | No | No |
| Light usage | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Programmable soft keys | Certain models | Certain models | Yes | Certain models | Yes | No | No |
| Receive calls away from the office | No | No | No | No | No | Yes | Yes |
| Support all Ooma Office features | Yes | Yes | Yes | Yes | Yes | No | Select features |
| Supports physical fax machines | Yes (recommended) | Yes (recommended) | No | Not recommended | No | No | No |
It is important to keep in mind that you can use your own analog phones with Ooma Office, but IP phones and the Ooma DP1 Desk Phone must be purchased directly from Ooma.