Using 1080p video for SIP/H.323 devices in Zoom

This post was most recently updated on July 23rd, 2022

Note: It is currently unavailable due to increased platform usage, to ensure meeting stability, due to the increased platform usage at this time.

For Business, Enterprise, and Education accounts, 1080p video can be streamed in-meeting for H.323 and SIP devices. For 1080p video to be viewed, a minimum bandwidth of three megabits per second must be available.

As soon as Zoom Support has enabled 1080p on the account for Room Connector devices, the account owner or administrator will need to make the necessary adjustments in the account settings to enable 1080p for the desktop client, if it has not previously been enabled.

Note: This feature can be accessed by provisioning the Zoom Cisco or Polycom API connector, depending on the device being used.

In this article, we will cover the following topics:

  • How to enable 1080p for SIP/H.323 via the Zoom Connector
  • How to use 1080p with SIP/H.323 with dialing strings
    • H.323 dial string
    • SIP dial string

Prerequisites for using 1080p video with SIP/H.323 devices

  • Accounts for businesses or enterprises
  • Zoom Support must enable this feature in order for it to be used
  • The device must have a call rate of at least 3mbps in order to make calls

How to enable 1080p for SIP/H.323 via the Zoom Connector

In order to enable 1080p on a Zoom provisioned device, it must be enabled in the device settings, under the following headings:

  1. The Zoom web portal can be accessed by logging into your Zoom account.
  2. You can access Cisco/Polycom Rooms by clicking Room Management followed by Cisco/Polycom Rooms.
  3. If you are enabling 1080p for a room, click Edit next to the room for which you would like to enable it.
  4. There may be a problem with advanced options not showing. To display advanced options, click Show advanced options.
  5. Enable 1080p can be toggled on and off by clicking the toggle.

Note: Zoom recommends setting the call rate for the device to be a minimum of 3072 when establishing a new device with Zoom.

How to use 1080p with SIP/H.323 with dialing strings

It is necessary to add 309 to the dial string in order to join a meeting using 1080p if the H.323/SIP device is not provisioned via the Zoom API Connector. Listed below are some examples of what a dialing string might look like:

H.323 dial string

The following is a list of meetings that do not require a password:

[IP Address]##[Meeting ID]##309
Example: 192.168.1.25##123456789##309

Meetings with a password:

[IP Address]##[Meeting ID]#[Password]#309
Example: 192.168.1.25##123456789#12345#309

SIP dial string

The following is a list of meetings that do not require a password:

[Meeting ID]..309@[IP Address] Example: 123456789..309@192.168.1.25

Meetings with a password:

[Meeting ID].[Password].309@[IP Address] Example: 123456789.12345.309@192.168.1.25