Using Zoom Phone with managed SIP/H.323 devices

Integrating Zoom Phone with your managed room system, allows the flexibility to utilize your SIP/H.323 device as a conference phone, reducing the number of devices in your conference room, and utilizing the microphone and speakers built into your room. This allows you to manage your rooms more efficiently and effectively while expanding the capability and options for your rooms’ users and participants. 

Features available with the Zoom Phone and Managed SIP/H.323 integration:

This article covers:

Prerequisites for using Zoom Phone with managed room systems

Supported devices

Below are devices that have been tested and confirmed to work with Zoom Phone, however, other devices may work with Zoom Phone.

Note: Poly HDX series devices are not compatible with Zoom Phone.

The following devices have been tested and confirmed to work with Zoom Phone:

*Note: While other firmware may work, Zoom recommends using CE 9.9.2 or higher.

**Note: Zoom recommends performing a factory reset on Poly Trio devices before provisioning, to ensure there are no issues with previous configuration profiles. 

Note about behavior change

Once a SIP/H323 room has been set up with Zoom Phone, 10-digit dialing behavior may change. Dialing a 10-digit number from the device keypad will be recognized as a phone number and Zoom Phone will try to make a call to that number. To join a zoom meeting from a managed device using a 10-digit number, the end-user will need to include (or the appropriate gateway used by their organization), for example, "".

Known Limitations

How to set up a provisioned SIP/H.323 room with Zoom Phone

Once your room system has been provisioned in Zoom, the room can be configured to utilize Zoom Phone, by selecting the room under the Cisco/Polycom Rooms tab when assigning a Zoom Phone license. 

After the room has been assigned a Zoom Phone license, the room's calling plan, numbers, and other settings can be configured from within the Phone System Management section of your profile.

How to use Zoom Phone with your room system

Incoming phone calls will ring on the touchpad and be presented to users on the display with the option to answer:

To place outbound calls, use the dialing pad of your device to enter and call the phone number you are dialing:

Once the call has connected, outgoing or incoming, the call will be managed from the main display: