List of devices compatible with CRC (H.323 / SIP) connector

The CRC connector works with most systems that support SIP or H.323 with H.264 video and G.722 or G.711 audio.

The information in the following list is based on Zoom lab testing and customer reports.

Some Polycom and Cisco room systems offer extended support for calendars and other features.

device model default
Polycom VSX 7000, 7000e, 8000 (7.5 or later)
Polycom HDX 4000, 6000, 7000, 8000, 9000 (3.0.6 or later)
Polycom Group Series (5.02 or later recommended)
Polycom debut (1.1 or later)
Polycom trio
Cisco MXP
Cisco / Tandberg SX, E, DX, MX, C (TC 5.1.11+, TC 6.1.3+, TC 7.1.1+, CE 8.1.1+, CE 9.1.6+)
Cisco Spark Room Kit (CE Firmware)
Cisco Sparkboard
Lifesize Legacy (Icon, Express, Team, Room, LG Executive)
Life size unit
TelyHD 200 / Pro
Average EVC 900, 130, 130P, 100
Huawei VP9030, VP9050 and TE30

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frequently asked Questions

A Zoom cloud meeting can be joined using an HH phone that supports H.323 calling (aka a Room Connector) or a phone that supports SIP calling (e.g. a SIP-based phone) who can make a video call to a Zoom cloud meeting to join the session. As an alternative to using a Room Connector, one can connect to an H.323 or SIP device to join Zoom cloud meetings from a computer.

  • An electronic device. You need a computer with microphone and speakers, operating system like Windows or Apple. Using a webcam is recommended but not required.
  • Devices that are mobile. It can be an iOS device or an Android device.
  • A telephone. Devices such as cell phones, desk phones, and landlines can be used.
With the Zoom Cloud Room Connector (CRC), users can connect both conventional VoIP systems and SIP-based 323/SIP systems to the Zoom Cloud Room Connector (CRC) to set up conference rooms. The CRC allows Polycom, Cisco Tandberg, Lifesize, and other endpoints like Polycom, Cisco Tandberg, and Lifesize to easily and seamlessly communicate with other endpoints like Polycom, Cisco Tandberg, and Lifesize on desktop, tablet, and mobile devices over Zoom.

Secure communication
The Zoom Phone service allows you to make secure voice calls on any device that supports the service, allowing you to make secure calls anywhere. We offer standards-based SIP over TLS 1.2 and Advanced Encryption Standard (AES) 256-bit GCM for all of our cloud phone software, so you can feel safe and secure whether you’re using it on your desktop or mobile device.

A meeting can be joined using a 323 device or a SIP device with Room Connector.
SIP/H pre-configuration and how to do it. To connect to a room you need to dial 323

  1. The Zoom website can be accessed by logging in there.
  2. Select the Room Management option from the navigation menu on the left side of the screen.
  3. Please click H. You will see the Room Connector for 323 and SIP.
  4. The Configuration tab will appear once you click on it.
  5. Below are some options to choose from if you want your name to appear in videos:…
  6. Then click the Save button to save the changes.

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