Requiring H.323/SIP media channel encryption when joining a meeting


Zoom offers a setting to Require media encryption for 3rd Party Endpoints (H323/SIP) that can be set by the host of meetings or at the account level for all members. If this setting is selected, SIP/H.323 devices will be required to use media channel encryption when connecting to the meeting.

How to connect to a meeting that requires media channel encryption with a H.323/SIP device

There are two options to get connected to this meeting when receiving this message:

  1. Turn on media channel encryption on the SIP/H.323 device.
  2. Turn off the setting Require Encryption for 3rd Party Endpoints (H323/SIP) and restart the meeting. Learn how to turn this setting off.

How to enable media channel encryption on SIP/H.323 devices:

Polycom HDX Series (Pages 8-20 & 8-21): Polycom HDX User Manual

LifeSize: SIP Calls / H.323 Calls